메뉴 건너뛰기




Volumn 14, Issue 1, 2014, Pages

Prevention of congenital malformations and other adverse pregnancy outcomes with 4.0 mg of folic acid: Community-based randomized clinical trial in Italy and the Netherlands

(80)  Bortolus, Renata a   Blom, Fenneke b   Filippini, Francesca a   van Poppel, Mireille N M b   Leoncini, Emanuele c   de Smit, Denhard J d   Benetollo, Pier P a   Cornel, Martina C b   de Walle, Hermien E K e   Mastroiacovo, Pierpaolo c   Compagni, Alessandra a   Rigotti, Erika a   di Lannoy, Antonella Noya a   Coati, Marilisa a   Manfrè, Silvia a   Barbazza, Roberto a   Zanconato, Giovanni a   Zenorini, Maria Teresa a   Travagliati, Vittorio a   Mantovani, Elena a   more..


Author keywords

Birth defects; Birth weight; Congenital malformations; Folic acid; Meta analysis; Pre eclampsia; Prematurity; Prevention; Vitamins

Indexed keywords

FOLIC ACID; VITAMIN B COMPLEX;

EID: 84902075676     PISSN: None     EISSN: 14712393     Source Type: Journal    
DOI: 10.1186/1471-2393-14-166     Document Type: Article
Times cited : (41)

References (142)
  • 1
    • 84885628325 scopus 로고    scopus 로고
    • EUROCAT prevalence tables
    • EUROCAT prevalence tables. http://www.eurocat-network.eu/ACCESSPREVALENCEDATA/PrevalenceTables.
  • 2
    • 82655166702 scopus 로고    scopus 로고
    • Economic burden of neural tube defects and impact of prevention with folic acid: a literature review
    • 10.1007/s00431-011-1492-8, 3197907, 21594574
    • Yi Y, Lindemann M, Colligs A, Snowball C. Economic burden of neural tube defects and impact of prevention with folic acid: a literature review. Eur J Pediatr 2011, 170:1391-1400. 10.1007/s00431-011-1492-8, 3197907, 21594574.
    • (2011) Eur J Pediatr , vol.170 , pp. 1391-1400
    • Yi, Y.1    Lindemann, M.2    Colligs, A.3    Snowball, C.4
  • 3
    • 55449086410 scopus 로고    scopus 로고
    • Survival and disability in a cohort of neural tube defect births in Dublin, Ireland
    • Sutton M, Daly LE, Kirke PN. Survival and disability in a cohort of neural tube defect births in Dublin, Ireland. Birth Defects Research (Part A) 2008, 82:701-709.
    • (2008) Birth Defects Research (Part A) , vol.82 , pp. 701-709
    • Sutton, M.1    Daly, L.E.2    Kirke, P.N.3
  • 4
    • 84861956278 scopus 로고    scopus 로고
    • National, regional, and worldwide estimates of preterm birth rates in the year 2010 with time trends since 1990 for selected countries: a systematic analysis and implications
    • 10.1016/S0140-6736(12)60820-4, 22682464
    • Blencowe H, Cousens S, Oestergaard MZ, Chou D, Moller AB, Narwal R, Adler A, Garcia CV, Rohde S, Say L, Lawn JE. National, regional, and worldwide estimates of preterm birth rates in the year 2010 with time trends since 1990 for selected countries: a systematic analysis and implications. Lancet 2012, 379:2162-2172. 10.1016/S0140-6736(12)60820-4, 22682464.
    • (2012) Lancet , vol.379 , pp. 2162-2172
    • Blencowe, H.1    Cousens, S.2    Oestergaard, M.Z.3    Chou, D.4    Moller, A.B.5    Narwal, R.6    Adler, A.7    Garcia, C.V.8    Rohde, S.9    Say, L.10    Lawn, J.E.11
  • 5
    • 38149116341 scopus 로고    scopus 로고
    • Preterm Birth 3. An overview of mortality and sequelae of preterm birth from infancy to adulthood
    • 10.1016/S0140-6736(08)60136-1, 18207020
    • Saigal S, Doyle LW. Preterm Birth 3. An overview of mortality and sequelae of preterm birth from infancy to adulthood. Lancet 2008, 371:261-269. 10.1016/S0140-6736(08)60136-1, 18207020.
    • (2008) Lancet , vol.371 , pp. 261-269
    • Saigal, S.1    Doyle, L.W.2
  • 6
    • 46449087037 scopus 로고    scopus 로고
    • Effect of in utero and early-life conditions on adult health and disease
    • 10.1056/NEJMra0708473, 3923653, 18596274
    • Gluckman PD, Hanson MA, Cooper C, Thornburg KL. Effect of in utero and early-life conditions on adult health and disease. N Engl J Med 2008, 359:61-73. 10.1056/NEJMra0708473, 3923653, 18596274.
    • (2008) N Engl J Med , vol.359 , pp. 61-73
    • Gluckman, P.D.1    Hanson, M.A.2    Cooper, C.3    Thornburg, K.L.4
  • 7
    • 84872586238 scopus 로고    scopus 로고
    • Preventing preterm births: analysis of trends and potential reductions with interventions in 39 countries with very high human development index
    • 10.1016/S0140-6736(12)61856-X, 3572865, 23158883, on behalf of the Born Too Soon preterm prevention analysis group
    • Chang HH, Larson J, Blencowe H, Spong CY, Howson CP, Caims-Smith S, Lackritz EM, Lee SK, Mason E, Serazin AC, Walani S, Simpson JL, Lawn JE, . on behalf of the Born Too Soon preterm prevention analysis group Preventing preterm births: analysis of trends and potential reductions with interventions in 39 countries with very high human development index. Lancet 2013, 381:223-234. 10.1016/S0140-6736(12)61856-X, 3572865, 23158883, on behalf of the Born Too Soon preterm prevention analysis group.
    • (2013) Lancet , vol.381 , pp. 223-234
    • Chang, H.H.1    Larson, J.2    Blencowe, H.3    Spong, C.Y.4    Howson, C.P.5    Caims-Smith, S.6    Lackritz, E.M.7    Lee, S.K.8    Mason, E.9    Serazin, A.C.10    Walani, S.11    Simpson, J.L.12    Lawn, J.E.13
  • 8
    • 61549123663 scopus 로고    scopus 로고
    • The cost of preterm birth throughout childhood in England and Wales
    • Mangham LJ, Petrou S, Doyle LW, Draper ES, Marlow N. The cost of preterm birth throughout childhood in England and Wales. Pediatrics 2009, 123:312-327.
    • (2009) Pediatrics , vol.123 , pp. 312-327
    • Mangham, L.J.1    Petrou, S.2    Doyle, L.W.3    Draper, E.S.4    Marlow, N.5
  • 9
    • 0033594375 scopus 로고    scopus 로고
    • Birth weight in relation to morbidity and mortality among newborn infants
    • 10.1056/NEJM199904223401603, 10210706
    • McIntire DD, Bloom SL, Casey BM, Leveno KJ. Birth weight in relation to morbidity and mortality among newborn infants. N Engl J Med 1999, 340:1234-1238. 10.1056/NEJM199904223401603, 10210706.
    • (1999) N Engl J Med , vol.340 , pp. 1234-1238
    • McIntire, D.D.1    Bloom, S.L.2    Casey, B.M.3    Leveno, K.J.4
  • 10
    • 0035956731 scopus 로고    scopus 로고
    • Birth weight and cognitive function in the British 1946 birth cohort: longitudinal population based study
    • 10.1136/bmj.322.7280.199, 26584, 11159613
    • Richards M, Hardy R, Kuh D, Wadsworth MEJ. Birth weight and cognitive function in the British 1946 birth cohort: longitudinal population based study. BMJ 2001, 322:199-203. 10.1136/bmj.322.7280.199, 26584, 11159613.
    • (2001) BMJ , vol.322 , pp. 199-203
    • Richards, M.1    Hardy, R.2    Kuh, D.3    Wadsworth, M.E.J.4
  • 11
    • 84864031016 scopus 로고    scopus 로고
    • Birth weight and fetal weight-growth restriction: Impact on neurodevelopment
    • 10.1016/j.earlhumdev.2012.04.004, 3694609, 22732241, the ELGAN Study Investigators
    • Streimish IG, Ehrenkranz RA, Allred EN, O'Shea TM, Kuban KC, Paneth N, Leviton A, . the ELGAN Study Investigators Birth weight and fetal weight-growth restriction: Impact on neurodevelopment. Early Hum Dev 2012, 88:765-771. 10.1016/j.earlhumdev.2012.04.004, 3694609, 22732241, the ELGAN Study Investigators.
    • (2012) Early Hum Dev , vol.88 , pp. 765-771
    • Streimish, I.G.1    Ehrenkranz, R.A.2    Allred, E.N.3    O'Shea, T.M.4    Kuban, K.C.5    Paneth, N.6    Leviton, A.7
  • 12
    • 14644412849 scopus 로고    scopus 로고
    • Pre-eclampsia
    • 10.1016/S0140-6736(05)17987-2, 15733721
    • Sibai B, Dekker G, Kupferminc M. Pre-eclampsia. Lancet 2005, 365:785-799. 10.1016/S0140-6736(05)17987-2, 15733721.
    • (2005) Lancet , vol.365 , pp. 785-799
    • Sibai, B.1    Dekker, G.2    Kupferminc, M.3
  • 14
    • 0035944725 scopus 로고    scopus 로고
    • Long term mortality of mothers and fathers after pre-eclampsia: population based cohort study
    • 10.1136/bmj.323.7323.1213, 59993, 11719411
    • Irgens HU, Reisaeter L, Irgens LM, Lie RT. Long term mortality of mothers and fathers after pre-eclampsia: population based cohort study. BMJ 2001, 323:1213-1216. 10.1136/bmj.323.7323.1213, 59993, 11719411.
    • (2001) BMJ , vol.323 , pp. 1213-1216
    • Irgens, H.U.1    Reisaeter, L.2    Irgens, L.M.3    Lie, R.T.4
  • 15
    • 0037454357 scopus 로고    scopus 로고
    • Hypertensive diseases of pregnancy and risk of hypertension and stroke in later life: results from cohort study
    • 10.1136/bmj.326.7394.845, 153466, 12702615
    • Wilson BJ, Watson MS, Prescott GJ, Sunderland S, Campbell DM, Hannaford P, Smith WC. Hypertensive diseases of pregnancy and risk of hypertension and stroke in later life: results from cohort study. BMJ 2003, 326:845-849. 10.1136/bmj.326.7394.845, 153466, 12702615.
    • (2003) BMJ , vol.326 , pp. 845-849
    • Wilson, B.J.1    Watson, M.S.2    Prescott, G.J.3    Sunderland, S.4    Campbell, D.M.5    Hannaford, P.6    Smith, W.C.7
  • 16
    • 1542407808 scopus 로고    scopus 로고
    • Risk for subsequent coronary artery disease after preeclampsia
    • 10.1016/j.amjcard.2003.11.065, 15019902
    • Haukkamaa L, Salminen M, Laivuori H, Leinonen H, Hiilesmaa V, Kaaja R. Risk for subsequent coronary artery disease after preeclampsia. Am J Cardiol 2004, 93:805-808. 10.1016/j.amjcard.2003.11.065, 15019902.
    • (2004) Am J Cardiol , vol.93 , pp. 805-808
    • Haukkamaa, L.1    Salminen, M.2    Laivuori, H.3    Leinonen, H.4    Hiilesmaa, V.5    Kaaja, R.6
  • 17
    • 36348944504 scopus 로고    scopus 로고
    • Pre-eclampsia and risk of cardiovascular disease and cancer in later life: systematic review and meta-analysis
    • 10.1136/bmj.39335.385301.BE, 2072042, 17975258
    • Bellamy L, Casas JP, Hingorani AD, Williams DJ. Pre-eclampsia and risk of cardiovascular disease and cancer in later life: systematic review and meta-analysis. BMJ 2007, 335:974-977. 10.1136/bmj.39335.385301.BE, 2072042, 17975258.
    • (2007) BMJ , vol.335 , pp. 974-977
    • Bellamy, L.1    Casas, J.P.2    Hingorani, A.D.3    Williams, D.J.4
  • 18
    • 84861928506 scopus 로고    scopus 로고
    • Geneva: World Health Organization, March of Dimes, The Partnership of Maternal, Newborn and Child Health, Save the Children, World Health Organization
    • March of Dimes, The Partnership of Maternal, Newborn and Child Health, Save the Children, World Health Organization Born too soon: the global action report on preterm birth 2012, Geneva: World Health Organization, March of Dimes, The Partnership of Maternal, Newborn and Child Health, Save the Children, World Health Organization.
    • (2012) Born too soon: the global action report on preterm birth
  • 19
    • 84881141592 scopus 로고    scopus 로고
    • Lancet Interventions Review Group, Maternal and Child Nutrition Study Group: Evidence based interventions for improvement of maternal and child nutrition: what can be done and at what cost?
    • 10.1016/S0140-6736(13)60996-4, 23746776
    • Bhutta ZA, Das JK, Rizvi A, Gaffey MF, Walker N, Horton S, Webb P, Lartey A, Black RE. Lancet Interventions Review Group, Maternal and Child Nutrition Study Group: Evidence based interventions for improvement of maternal and child nutrition: what can be done and at what cost?. Lancet 2013, 382:452-477. 10.1016/S0140-6736(13)60996-4, 23746776.
    • (2013) Lancet , vol.382 , pp. 452-477
    • Bhutta, Z.A.1    Das, J.K.2    Rizvi, A.3    Gaffey, M.F.4    Walker, N.5    Horton, S.6    Webb, P.7    Lartey, A.8    Black, R.E.9
  • 20
    • 33745138548 scopus 로고    scopus 로고
    • Folate and human reproduction
    • Tamura T, Picciano MF. Folate and human reproduction. Am J Clin Nutr 2006, 83:993-1016.
    • (2006) Am J Clin Nutr , vol.83 , pp. 993-1016
    • Tamura, T.1    Picciano, M.F.2
  • 21
    • 0032962987 scopus 로고    scopus 로고
    • Folate metabolism and requirements
    • Bailey LB, Gregory JF. Folate metabolism and requirements. J Nutr 1999, 129:779-782.
    • (1999) J Nutr , vol.129 , pp. 779-782
    • Bailey, L.B.1    Gregory, J.F.2
  • 22
    • 0000538821 scopus 로고
    • The folates
    • London: William Heinemann Medical Books, Barker BM, Bender DA, 4
    • Chanarin I. The folates. Vitamins in medicine. Volume 1 1980, 247-314. London: William Heinemann Medical Books, Barker BM, Bender DA, 4.
    • (1980) Vitamins in medicine. Volume 1 , pp. 247-314
    • Chanarin, I.1
  • 23
    • 0021352480 scopus 로고
    • Mechanisms of folate homeostasis
    • Steinberg SE. Mechanisms of folate homeostasis. Am J Physiol 1984, 246:319-324.
    • (1984) Am J Physiol , vol.246 , pp. 319-324
    • Steinberg, S.E.1
  • 24
    • 0034014432 scopus 로고    scopus 로고
    • Folic acid: influence on the outcome of pregnancy
    • Scholl TO, Johnson WG. Folic acid: influence on the outcome of pregnancy. Am J Clin Nutr 2000, 71:1295S-1303S.
    • (2000) Am J Clin Nutr , vol.71
    • Scholl, T.O.1    Johnson, W.G.2
  • 25
    • 0032771090 scopus 로고    scopus 로고
    • Folic acid and homocysteine metabolic defects and the risk of placental abruption, pre-eclampsia and spontaneous pregnancy loss: a systematic review
    • 10.1053/plac.1999.0417, 10452905
    • Ray JG, Laskin CA. Folic acid and homocysteine metabolic defects and the risk of placental abruption, pre-eclampsia and spontaneous pregnancy loss: a systematic review. Placenta 1999, 20:519-529. 10.1053/plac.1999.0417, 10452905.
    • (1999) Placenta , vol.20 , pp. 519-529
    • Ray, J.G.1    Laskin, C.A.2
  • 26
    • 0035122292 scopus 로고    scopus 로고
    • The folate cycle and disease in humans
    • Fowler B. The folate cycle and disease in humans. Kidney Int Suppl 2001, 78:S221-S229.
    • (2001) Kidney Int Suppl , vol.78
    • Fowler, B.1
  • 27
    • 0034073977 scopus 로고    scopus 로고
    • Plasma total homocysteine, pregnancy complications, and adverse pregnancy outcomes: the Hordaland Homocysteine Study
    • Vollset SE, Refsum H, Irgens LM, Emblem BM, Tverdal A, Gjessing HK. Plasma total homocysteine, pregnancy complications, and adverse pregnancy outcomes: the Hordaland Homocysteine Study. Am J Clin Nutr 2000, 71:962-968.
    • (2000) Am J Clin Nutr , vol.71 , pp. 962-968
    • Vollset, S.E.1    Refsum, H.2    Irgens, L.M.3    Emblem, B.M.4    Tverdal, A.5    Gjessing, H.K.6
  • 28
    • 84859719364 scopus 로고    scopus 로고
    • Homocysteine and folate concentrations in early pregnancy and the risk of adverse pregnancy outcomes: the Generation R Study
    • 10.1111/j.1471-0528.2012.03321.x, 22489763
    • Bergen NE, Jaddoe VW, Timmermans S, Hofman A, Lindemans J, Russcher H, Raat H, Steegers-Theunissen RP, Steegers EA. Homocysteine and folate concentrations in early pregnancy and the risk of adverse pregnancy outcomes: the Generation R Study. BJOG 2012, 119:739-751. 10.1111/j.1471-0528.2012.03321.x, 22489763.
    • (2012) BJOG , vol.119 , pp. 739-751
    • Bergen, N.E.1    Jaddoe, V.W.2    Timmermans, S.3    Hofman, A.4    Lindemans, J.5    Russcher, H.6    Raat, H.7    Steegers-Theunissen, R.P.8    Steegers, E.A.9
  • 29
    • 0025863475 scopus 로고
    • Prevention of neural tube defects: results of the MRC Vitamin Study
    • MRC Vitamin Study Research Group
    • MRC Vitamin Study Research Group Prevention of neural tube defects: results of the MRC Vitamin Study. Lancet 1991, 338:131-137. MRC Vitamin Study Research Group.
    • (1991) Lancet , vol.338 , pp. 131-137
  • 30
    • 0027080461 scopus 로고
    • Prevention of the first occurrence of neural-tube defects by periconceptional vitamin supplementation
    • 10.1056/NEJM199212243272602, 1307234
    • Czeizel AE, Dudas I. Prevention of the first occurrence of neural-tube defects by periconceptional vitamin supplementation. N Engl J Med 1992, 327:1832-1835. 10.1056/NEJM199212243272602, 1307234.
    • (1992) N Engl J Med , vol.327 , pp. 1832-1835
    • Czeizel, A.E.1    Dudas, I.2
  • 31
    • 0024410228 scopus 로고
    • Prevention of neural tube defect recurrences in Yorkshire: final report
    • Smithells RW, Sheppard S, Wild J, Schorah CJ. Prevention of neural tube defect recurrences in Yorkshire: final report. Lancet 1989, 2:498-499.
    • (1989) Lancet , vol.2 , pp. 498-499
    • Smithells, R.W.1    Sheppard, S.2    Wild, J.3    Schorah, C.J.4
  • 32
    • 0033547440 scopus 로고    scopus 로고
    • Prevention of neural-tube defects with folic acid in China. China-U.S. Collaborative Project for Neural Tube Defect Prevention
    • 10.1056/NEJM199911113412001, 10559448
    • Berry RJ, Li Z, Erickson JD, Li S, Moore CA, Wang H, Mulinare J, Zhao P, Wong LY, Gindler J, Hong SX, Correa A. Prevention of neural-tube defects with folic acid in China. China-U.S. Collaborative Project for Neural Tube Defect Prevention. N Engl J Med 1999, 341:1485-1490. 10.1056/NEJM199911113412001, 10559448.
    • (1999) N Engl J Med , vol.341 , pp. 1485-1490
    • Berry, R.J.1    Li, Z.2    Erickson, J.D.3    Li, S.4    Moore, C.A.5    Wang, H.6    Mulinare, J.7    Zhao, P.8    Wong, L.Y.9    Gindler, J.10    Hong, S.X.11    Correa, A.12
  • 33
    • 84855439245 scopus 로고    scopus 로고
    • Effects and safety of periconceptional folate supplementation for preventing birth defects
    • Issue 10. Art.No.: CD007950. DOI:10.1002/14651858.CD007950.pub2
    • De-Regil LM, Fernandez-Gaxiola AC, Dowswell T, Pena-Rosas JP. Effects and safety of periconceptional folate supplementation for preventing birth defects. Cochrane Database Syst Rev 2010, Issue 10. Art.No.: CD007950. DOI:10.1002/14651858.CD007950.pub2.
    • (2010) Cochrane Database Syst Rev
    • De-Regil, L.M.1    Fernandez-Gaxiola, A.C.2    Dowswell, T.3    Pena-Rosas, J.P.4
  • 34
    • 0032832402 scopus 로고    scopus 로고
    • The influence of folic acid supplement on the outcome of pregnancies in the county of Funen in Denmark. Part III. Congenital anomalies. An observational study
    • 10.1016/S0301-2115(99)00086-X, 10597957
    • Ulrich M, Kristoffersen K, Rolschau J, Grinsted P, Schaumburg E, Foged N. The influence of folic acid supplement on the outcome of pregnancies in the county of Funen in Denmark. Part III. Congenital anomalies. An observational study. Eur J Obstet Gynecol Reprod Biol 1999, 87:115-118. 10.1016/S0301-2115(99)00086-X, 10597957.
    • (1999) Eur J Obstet Gynecol Reprod Biol , vol.87 , pp. 115-118
    • Ulrich, M.1    Kristoffersen, K.2    Rolschau, J.3    Grinsted, P.4    Schaumburg, E.5    Foged, N.6
  • 35
    • 10044224512 scopus 로고    scopus 로고
    • Hungarian cohort-controlled trial of periconceptional multivitamin supplementation shows a reduction in certain congenital abnormalities
    • 10.1002/bdra.20086, 15523663
    • Czeizel AE, Dobo M, Vargha P. Hungarian cohort-controlled trial of periconceptional multivitamin supplementation shows a reduction in certain congenital abnormalities. Birth Defects Res A Clin Mol Teratol 2004, 70:853-861. 10.1002/bdra.20086, 15523663.
    • (2004) Birth Defects Res A Clin Mol Teratol , vol.70 , pp. 853-861
    • Czeizel, A.E.1    Dobo, M.2    Vargha, P.3
  • 36
    • 0942287359 scopus 로고    scopus 로고
    • Vitamin supplements and the risk for congenital anomalies other than neural tube defects
    • Botto LD, Olney RS, Erickson JD. Vitamin supplements and the risk for congenital anomalies other than neural tube defects. Am J Med Genet 2004, 125:12-21.
    • (2004) Am J Med Genet , vol.125 , pp. 12-21
    • Botto, L.D.1    Olney, R.S.2    Erickson, J.D.3
  • 37
    • 84871799920 scopus 로고    scopus 로고
    • The effects of periconceptional risk factor exposure and micronutrient supplementation on birth defects in Shaanxi Province in Western China
    • 10.1371/journal.pone.0053429, 3534073, 23300928
    • Yang W, Zeng L, Cheng Y, Chen Z, Wang X, Li X, Yan H. The effects of periconceptional risk factor exposure and micronutrient supplementation on birth defects in Shaanxi Province in Western China. PLoS One 2012, 7:e53429. 10.1371/journal.pone.0053429, 3534073, 23300928.
    • (2012) PLoS One , vol.7
    • Yang, W.1    Zeng, L.2    Cheng, Y.3    Chen, Z.4    Wang, X.5    Li, X.6    Yan, H.7
  • 38
    • 33846788502 scopus 로고    scopus 로고
    • Prenatal multivitamin supplementation and rates of congenital anomalies: a meta-analysis
    • Goh YI, Bollano E, Einarson TR, Koren G. Prenatal multivitamin supplementation and rates of congenital anomalies: a meta-analysis. J Obstet Gynaecol Can 2006, 28:680-689.
    • (2006) J Obstet Gynaecol Can , vol.28 , pp. 680-689
    • Goh, Y.I.1    Bollano, E.2    Einarson, T.R.3    Koren, G.4
  • 39
    • 33845984049 scopus 로고    scopus 로고
    • Folic acid-containing supplement consumption during pregnancy and risk for oral clefts: a meta-analysis
    • 10.1002/bdra.20315, 17133404
    • Badovinac RL, Werler MM, Williams PL, Kelsey KT, Hayes C. Folic acid-containing supplement consumption during pregnancy and risk for oral clefts: a meta-analysis. Birth Defects Res A Clin Mol Teratol 2007, 79:8-15. 10.1002/bdra.20315, 17133404.
    • (2007) Birth Defects Res A Clin Mol Teratol , vol.79 , pp. 8-15
    • Badovinac, R.L.1    Werler, M.M.2    Williams, P.L.3    Kelsey, K.T.4    Hayes, C.5
  • 40
    • 53449091417 scopus 로고    scopus 로고
    • Folate intake, markers of folate status and oral clefts: is the evidence converging?
    • 10.1093/ije/dyn098, 18583393
    • Johnson CY, Little J. Folate intake, markers of folate status and oral clefts: is the evidence converging?. Int J Epidemiol 2008, 37:1041-1058. 10.1093/ije/dyn098, 18583393.
    • (2008) Int J Epidemiol , vol.37 , pp. 1041-1058
    • Johnson, C.Y.1    Little, J.2
  • 42
  • 43
    • 0028799948 scopus 로고
    • Maternal periconceptional use of multivitamins and reduced risk for conotruncal heart defects and limb deficiencies among offspring
    • 10.1002/ajmg.1320590428, 8585581
    • Shaw GM, O'Malley CD, Wasserman CR, Tolarova MM, Lammer EJ. Maternal periconceptional use of multivitamins and reduced risk for conotruncal heart defects and limb deficiencies among offspring. Am J Med Genet 1995, 59:536-545. 10.1002/ajmg.1320590428, 8585581.
    • (1995) Am J Med Genet , vol.59 , pp. 536-545
    • Shaw, G.M.1    O'Malley, C.D.2    Wasserman, C.R.3    Tolarova, M.M.4    Lammer, E.J.5
  • 44
    • 0034190437 scopus 로고    scopus 로고
    • Occurrence of congenital heart defects in relation to maternal multivitamin use
    • 10.1093/oxfordjournals.aje.a010291, 10791560
    • Botto LD, Mulinare J, Erickson JD. Occurrence of congenital heart defects in relation to maternal multivitamin use. Am J Epidemiol 2000, 151:878-884. 10.1093/oxfordjournals.aje.a010291, 10791560.
    • (2000) Am J Epidemiol , vol.151 , pp. 878-884
    • Botto, L.D.1    Mulinare, J.2    Erickson, J.D.3
  • 45
    • 67650084300 scopus 로고    scopus 로고
    • Prevalence of severe congenital heart disease after folic acid fortification of grain products: time trend analysis in Quebec, Canada
    • 10.1136/bmj.b1673, 2682153, 19436079
    • Ionescu-Ittu R, Marelli AJ, Mackie AS, Pilote L. Prevalence of severe congenital heart disease after folic acid fortification of grain products: time trend analysis in Quebec, Canada. BMJ 2009, 338:b1673. 10.1136/bmj.b1673, 2682153, 19436079.
    • (2009) BMJ , vol.338
    • Ionescu-Ittu, R.1    Marelli, A.J.2    Mackie, A.S.3    Pilote, L.4
  • 46
    • 77249110308 scopus 로고    scopus 로고
    • Protective effect of periconceptional folic acid supplements on the risk of congenital heart defects: a registry-based case-control study in the northern Netherlands
    • 10.1093/eurheartj/ehp479, 19952004
    • van Beynum IM, Kapusta L, Bakker MK, den Heijer M, Blom HJ, de Walle HE. Protective effect of periconceptional folic acid supplements on the risk of congenital heart defects: a registry-based case-control study in the northern Netherlands. Eur Heart J 2010, 31:464-471. 10.1093/eurheartj/ehp479, 19952004.
    • (2010) Eur Heart J , vol.31 , pp. 464-471
    • van Beynum, I.M.1    Kapusta, L.2    Bakker, M.K.3    den Heijer, M.4    Blom, H.J.5    de Walle, H.E.6
  • 47
    • 0028911977 scopus 로고
    • Periconceptional multivitamin use in relation to the risk of congenital urinary tract anomalies
    • 10.1097/00001648-199505000-00004, 7619925
    • Li DK, Daling JR, Mueller BA, Hickok DE, Fantel AG, Weiss NS. Periconceptional multivitamin use in relation to the risk of congenital urinary tract anomalies. Epidemiology 1995, 6:212-218. 10.1097/00001648-199505000-00004, 7619925.
    • (1995) Epidemiology , vol.6 , pp. 212-218
    • Li, D.K.1    Daling, J.R.2    Mueller, B.A.3    Hickok, D.E.4    Fantel, A.G.5    Weiss, N.S.6
  • 48
    • 0031049636 scopus 로고    scopus 로고
    • Does periconceptional multivitamin use reduce the risk for limb deficiency in offspring?
    • 10.1097/00001648-199703000-00006, 9229207
    • Yang Q, Khoury MJ, Olney RS. Does periconceptional multivitamin use reduce the risk for limb deficiency in offspring?. Epidemiology 1997, 8:157-161. 10.1097/00001648-199703000-00006, 9229207.
    • (1997) Epidemiology , vol.8 , pp. 157-161
    • Yang, Q.1    Khoury, M.J.2    Olney, R.S.3
  • 49
    • 0036247283 scopus 로고    scopus 로고
    • Occurrence of omphalocele in relation to maternal multivitamin use: a population-based study
    • 10.1542/peds.109.5.904, 11986454
    • Botto LD, Mulinare J, Erickson JD. Occurrence of omphalocele in relation to maternal multivitamin use: a population-based study. Pediatrics 2002, 109:904-908. 10.1542/peds.109.5.904, 11986454.
    • (2002) Pediatrics , vol.109 , pp. 904-908
    • Botto, L.D.1    Mulinare, J.2    Erickson, J.D.3
  • 50
    • 0035577903 scopus 로고    scopus 로고
    • Folic Acid Supplementation and Risk for Imperforate Anus in China
    • 10.1093/aje/154.11.1051, 11724722, the China-US Collaborative Project for Neural Tube Defect Prevention
    • Myers MF, Li S, Correa-Villasenor A, Li Z, Moore CA, Hong SX, Berry RJ, . the China-US Collaborative Project for Neural Tube Defect Prevention Folic Acid Supplementation and Risk for Imperforate Anus in China. Am J Epidemiol 2001, 154:1051-1056. 10.1093/aje/154.11.1051, 11724722, the China-US Collaborative Project for Neural Tube Defect Prevention.
    • (2001) Am J Epidemiol , vol.154 , pp. 1051-1056
    • Myers, M.F.1    Li, S.2    Correa-Villasenor, A.3    Li, Z.4    Moore, C.A.5    Hong, S.X.6    Berry, R.J.7
  • 51
    • 19544369325 scopus 로고    scopus 로고
    • Maternal use of nutritional supplements during the first month of pregnancy and decreased risk of Down's syndrome: case-control study
    • 10.1016/j.nut.2004.10.017, 15925294
    • Czeizel AE, Puho E. Maternal use of nutritional supplements during the first month of pregnancy and decreased risk of Down's syndrome: case-control study. Nutrition 2005, 21:698-704. 10.1016/j.nut.2004.10.017, 15925294.
    • (2005) Nutrition , vol.21 , pp. 698-704
    • Czeizel, A.E.1    Puho, E.2
  • 52
    • 0042825263 scopus 로고    scopus 로고
    • Prevalence of trisomy 21 following folic acid food fortification
    • 10.1002/ajmg.a.20161, 12838547
    • Ray JG, Meier C, Vermeulen MJ, Cole DE, Wyatt PR. Prevalence of trisomy 21 following folic acid food fortification. Am J Med Genet 2003, 120A:309-313. 10.1002/ajmg.a.20161, 12838547.
    • (2003) Am J Med Genet , vol.120 A , pp. 309-313
    • Ray, J.G.1    Meier, C.2    Vermeulen, M.J.3    Cole, D.E.4    Wyatt, P.R.5
  • 54
    • 16444375722 scopus 로고    scopus 로고
    • Folic acid supplements in pregnancy and birth outcome: re-analysis of a large randomised controlled trial and update of Cochrane review
    • 10.1111/j.1365-3016.2005.00633.x, 15787886
    • Charles DH, Ness AR, Campbell D, Smith GD, Whitley E, Hall MH. Folic acid supplements in pregnancy and birth outcome: re-analysis of a large randomised controlled trial and update of Cochrane review. Paediatr Perinat Epidemiol 2005, 19:112-124. 10.1111/j.1365-3016.2005.00633.x, 15787886.
    • (2005) Paediatr Perinat Epidemiol , vol.19 , pp. 112-124
    • Charles, D.H.1    Ness, A.R.2    Campbell, D.3    Smith, G.D.4    Whitley, E.5    Hall, M.H.6
  • 57
    • 84875052544 scopus 로고    scopus 로고
    • Folate, Vitamin B12, Vitamin B6 and homocysteine: impact on pregnancy outcome
    • 10.1111/j.1740-8709.2011.00364.x, 22023381
    • Furness D, Fenech M, Dekker G, Khong TY, Roberts C, Hague W. Folate, Vitamin B12, Vitamin B6 and homocysteine: impact on pregnancy outcome. Matern Child Nutr 2013, 9:155-166. 10.1111/j.1740-8709.2011.00364.x, 22023381.
    • (2013) Matern Child Nutr , vol.9 , pp. 155-166
    • Furness, D.1    Fenech, M.2    Dekker, G.3    Khong, T.Y.4    Roberts, C.5    Hague, W.6
  • 58
    • 84872317090 scopus 로고    scopus 로고
    • First-trimester serum folate levels and subsequent risk of abortion and preterm birth among Japanese women with singleton pregnancies
    • 10.1007/s00404-012-2501-5, 22875049
    • Yamada T, Morikawa M, Yamada T, Kishi R, Sengoku K, Endo T, Saito T, Cho K, Minakami H. First-trimester serum folate levels and subsequent risk of abortion and preterm birth among Japanese women with singleton pregnancies. Arch Gynecol Obstet 2013, 287:9-14. 10.1007/s00404-012-2501-5, 22875049.
    • (2013) Arch Gynecol Obstet , vol.287 , pp. 9-14
    • Yamada, T.1    Morikawa, M.2    Yamada, T.3    Kishi, R.4    Sengoku, K.5    Endo, T.6    Saito, T.7    Cho, K.8    Minakami, H.9
  • 59
    • 0034008262 scopus 로고    scopus 로고
    • Homocysteine and folate levels as risk factors for recurrent early pregnancy loss
    • 10.1016/S0029-7844(99)00610-9, 10725483
    • Nelen WL, Blom HJ, Steegers EA, Den Heijer M, Thomas CM, Eskes TK. Homocysteine and folate levels as risk factors for recurrent early pregnancy loss. Obstet Gynecol 2000, 95:519-524. 10.1016/S0029-7844(99)00610-9, 10725483.
    • (2000) Obstet Gynecol , vol.95 , pp. 519-524
    • Nelen, W.L.1    Blom, H.J.2    Steegers, E.A.3    Den Heijer, M.4    Thomas, C.M.5    Eskes, T.K.6
  • 60
    • 0035828386 scopus 로고    scopus 로고
    • Folic acid supplements during pregnancy and risk of miscarriage
    • 10.1016/S0140-6736(01)05969-4, 11564486, for the Jiaxing City Collaborative Project on Neural Tube Defect Prevention
    • Gindler J, Li Z, Berry RJ, Zheng J, Correa A, Sun X, Wong L, Cheng L, Erickson JD, Wang Y, Tong Q, . for the Jiaxing City Collaborative Project on Neural Tube Defect Prevention Folic acid supplements during pregnancy and risk of miscarriage. Lancet 2001, 358:796-800. 10.1016/S0140-6736(01)05969-4, 11564486, for the Jiaxing City Collaborative Project on Neural Tube Defect Prevention.
    • (2001) Lancet , vol.358 , pp. 796-800
    • Gindler, J.1    Li, Z.2    Berry, R.J.3    Zheng, J.4    Correa, A.5    Sun, X.6    Wong, L.7    Cheng, L.8    Erickson, J.D.9    Wang, Y.10    Tong, Q.11
  • 62
    • 0036297599 scopus 로고    scopus 로고
    • Preconception Folate and Vitamin B6 Status and clinical spontaneous abortion in Chinese women
    • 10.1016/S0029-7844(02)01978-6, 12100811
    • Ronnenberg AG, Goldman MB, Chen D, Aitken IW, Willett WC, Selhub J, Xu X. Preconception Folate and Vitamin B6 Status and clinical spontaneous abortion in Chinese women. Obstet Gynecol 2002, 100:107-113. 10.1016/S0029-7844(02)01978-6, 12100811.
    • (2002) Obstet Gynecol , vol.100 , pp. 107-113
    • Ronnenberg, A.G.1    Goldman, M.B.2    Chen, D.3    Aitken, I.W.4    Willett, W.C.5    Selhub, J.6    Xu, X.7
  • 63
    • 34547657090 scopus 로고    scopus 로고
    • Preconception B-Vitamin and homocysteine status, conception, and early pregnancy loss
    • 10.1093/aje/kwm078, 17478435
    • Ronnenberg AG, Venners SA, Xu X, Chen C, Wang L, Guang W, Huang A, Wang X. Preconception B-Vitamin and homocysteine status, conception, and early pregnancy loss. Am J Epidemiol 2007, 166:304-312. 10.1093/aje/kwm078, 17478435.
    • (2007) Am J Epidemiol , vol.166 , pp. 304-312
    • Ronnenberg, A.G.1    Venners, S.A.2    Xu, X.3    Chen, C.4    Wang, L.5    Guang, W.6    Huang, A.7    Wang, X.8
  • 64
    • 79954429128 scopus 로고    scopus 로고
    • Periconceptional folic acid prevents miscarriage in Irish families with neural tube defects
    • 10.1007/s11845-010-0629-5, 21052862
    • Byrne J. Periconceptional folic acid prevents miscarriage in Irish families with neural tube defects. Ir J Med Sci 2011, 180:59-62. 10.1007/s11845-010-0629-5, 21052862.
    • (2011) Ir J Med Sci , vol.180 , pp. 59-62
    • Byrne, J.1
  • 65
    • 80051678347 scopus 로고    scopus 로고
    • A pilot study on environmental and behavioral factors related to missed abortion
    • 10.1007/s12199-010-0196-4, 3117210, 21431815
    • Zhang X, Li J, Gu Y, Zhao Y, Wang Z, Jia G. A pilot study on environmental and behavioral factors related to missed abortion. Environ Health Prev Med 2011, 16:273-278. 10.1007/s12199-010-0196-4, 3117210, 21431815.
    • (2011) Environ Health Prev Med , vol.16 , pp. 273-278
    • Zhang, X.1    Li, J.2    Gu, Y.3    Zhao, Y.4    Wang, Z.5    Jia, G.6
  • 66
    • 34547701766 scopus 로고    scopus 로고
    • Association of periconceptional multivitamin use and risk of preterm or small-for-gestational-age births
    • 10.1093/aje/kwm071, 17496313
    • Catov JM, Bodnar LM, Ness RB, Markovic N, Roberts JM. Association of periconceptional multivitamin use and risk of preterm or small-for-gestational-age births. Am J Epidemiol 2007, 166:296-303. 10.1093/aje/kwm071, 17496313.
    • (2007) Am J Epidemiol , vol.166 , pp. 296-303
    • Catov, J.M.1    Bodnar, L.M.2    Ness, R.B.3    Markovic, N.4    Roberts, J.M.5
  • 67
    • 73749084803 scopus 로고    scopus 로고
    • Periconception folic acid supplementation, fetal growth and the risks of low birth weight and preterm birth: the Generation R Study
    • 10.1017/S0007114509288994, 19327193
    • Timmermans S, Jaddoe VW, Hofman A, Steegers-Theunissen RP, Steegers EA. Periconception folic acid supplementation, fetal growth and the risks of low birth weight and preterm birth: the Generation R Study. Br J Nutr 2009, 102:777-785. 10.1017/S0007114509288994, 19327193.
    • (2009) Br J Nutr , vol.102 , pp. 777-785
    • Timmermans, S.1    Jaddoe, V.W.2    Hofman, A.3    Steegers-Theunissen, R.P.4    Steegers, E.A.5
  • 68
    • 77952257906 scopus 로고    scopus 로고
    • The relationship between dietary supplement use in late pregnancy and birth outcomes: a cohort study in British women
    • Alwan NA, Greenwood DC, Simpson NA, McArdle HJ, Cade JE. The relationship between dietary supplement use in late pregnancy and birth outcomes: a cohort study in British women. Br J Obstet Gynecol 2010, 117:821-829.
    • (2010) Br J Obstet Gynecol , vol.117 , pp. 821-829
    • Alwan, N.A.1    Greenwood, D.C.2    Simpson, N.A.3    McArdle, H.J.4    Cade, J.E.5
  • 69
    • 73749088705 scopus 로고    scopus 로고
    • Possible association of folic acid supplementation during pregnancy with reduction of preterm birth: a population-based study
    • 10.1016/j.ejogrb.2009.10.016, 19926391
    • Czeizel AE, Puho' EH, Langmar Z, Acs N, Banhidy F. Possible association of folic acid supplementation during pregnancy with reduction of preterm birth: a population-based study. Eur J Obstet Gynecol Reprod Biol 2010, 148:135-140. 10.1016/j.ejogrb.2009.10.016, 19926391.
    • (2010) Eur J Obstet Gynecol Reprod Biol , vol.148 , pp. 135-140
    • Czeizel, A.E.1    Puho', E.H.2    Langmar, Z.3    Acs, N.4    Banhidy, F.5
  • 71
    • 78049449687 scopus 로고    scopus 로고
    • Maternal serum folate species in early pregnancy and risk of preterm birth
    • 10.3945/ajcn.2010.29675, 2937585, 20739422
    • Bodnar LM, Himes KP, Venkataramanan R, Chen J, Evans RW, Meyer JL, Simhan HN. Maternal serum folate species in early pregnancy and risk of preterm birth. Am J Clin Nutr 2010, 92:864-871. 10.3945/ajcn.2010.29675, 2937585, 20739422.
    • (2010) Am J Clin Nutr , vol.92 , pp. 864-871
    • Bodnar, L.M.1    Himes, K.P.2    Venkataramanan, R.3    Chen, J.4    Evans, R.W.5    Meyer, J.L.6    Simhan, H.N.7
  • 72
    • 80051963330 scopus 로고    scopus 로고
    • Periconceptional multivitamin use and risk of preterm or small-for-gestational-age births in the Danish National Birth Cohort
    • 10.3945/ajcn.111.012393, 3155933, 21795441
    • Catov JM, Bodnar LM, Olsen J, Olsen S, Nohr EA. Periconceptional multivitamin use and risk of preterm or small-for-gestational-age births in the Danish National Birth Cohort. Am J Clin Nutr 2011, 94:906-912. 10.3945/ajcn.111.012393, 3155933, 21795441.
    • (2011) Am J Clin Nutr , vol.94 , pp. 906-912
    • Catov, J.M.1    Bodnar, L.M.2    Olsen, J.3    Olsen, S.4    Nohr, E.A.5
  • 73
    • 84855503442 scopus 로고    scopus 로고
    • National Birth Defects Prevention Study. Periconceptional intake of folic acid and food folate and risks of preterm delivery
    • 10.1055/s-0031-1280855, 21681695
    • Shaw GM, Carmichael SL, Yang W, Siega-Riz AM. National Birth Defects Prevention Study. Periconceptional intake of folic acid and food folate and risks of preterm delivery. Am J Perinatol 2011, 28:747-752. 10.1055/s-0031-1280855, 21681695.
    • (2011) Am J Perinatol , vol.28 , pp. 747-752
    • Shaw, G.M.1    Carmichael, S.L.2    Yang, W.3    Siega-Riz, A.M.4
  • 74
    • 84863524968 scopus 로고    scopus 로고
    • Reduced Folate, Increased Vitamin B12 and Homocysteine Concentrations in Women Delivering Preterm
    • 10.1159/000338473, 22776827
    • Dhobale M, Chavan P, Kulkarni A, Mehendale S, Pisal H, Joshi S. Reduced Folate, Increased Vitamin B12 and Homocysteine Concentrations in Women Delivering Preterm. Ann Nutr Metab 2012, 61:7-14. 10.1159/000338473, 22776827.
    • (2012) Ann Nutr Metab , vol.61 , pp. 7-14
    • Dhobale, M.1    Chavan, P.2    Kulkarni, A.3    Mehendale, S.4    Pisal, H.5    Joshi, S.6
  • 75
    • 84872677264 scopus 로고    scopus 로고
    • The effect of high doses of folic acid and iron supplementation in early-to-mid pregnancy on prematurity and fetal growth retardation: the mother-child cohort study in Crete, Greece (Rhea study)
    • 10.1007/s00394-012-0339-z, 22430980
    • Papadopoulou E, Stratakis N, Roumeliotaki T, Sarri K, Merlo DF, Kogevinas M, Chatzi L. The effect of high doses of folic acid and iron supplementation in early-to-mid pregnancy on prematurity and fetal growth retardation: the mother-child cohort study in Crete, Greece (Rhea study). Eur J Nutr 2013, 52:327-336. 10.1007/s00394-012-0339-z, 22430980.
    • (2013) Eur J Nutr , vol.52 , pp. 327-336
    • Papadopoulou, E.1    Stratakis, N.2    Roumeliotaki, T.3    Sarri, K.4    Merlo, D.F.5    Kogevinas, M.6    Chatzi, L.7
  • 76
    • 2442641501 scopus 로고    scopus 로고
    • Occurrence of low birthweight and preterm delivery among California infants before and after compulsory food fortification with folic acid
    • 1497619, 15192904
    • Shaw GM, Carmichael SL, Nelson V, Selvin S, Schaffer DM. Occurrence of low birthweight and preterm delivery among California infants before and after compulsory food fortification with folic acid. Public Health Rep 2004, 119:170-173. 1497619, 15192904.
    • (2004) Public Health Rep , vol.119 , pp. 170-173
    • Shaw, G.M.1    Carmichael, S.L.2    Nelson, V.3    Selvin, S.4    Schaffer, D.M.5
  • 77
    • 47249099873 scopus 로고    scopus 로고
    • Association between short interpregnancy intervals and term birth weight: the role of folate depletion
    • van Eijsden M, Smits LJM, van der Wal MF, Bonsel GJ. Association between short interpregnancy intervals and term birth weight: the role of folate depletion. Am J Clin Nutr 2008, 88:147-153.
    • (2008) Am J Clin Nutr , vol.88 , pp. 147-153
    • van Eijsden, M.1    Smits, L.J.M.2    van der Wal, M.F.3    Bonsel, G.J.4
  • 78
    • 77249117715 scopus 로고    scopus 로고
    • Infant birth size is not associated with maternal intake and status of folate during the second trimester in Norwegian pregnant women
    • 10.3945/jn.109.118158, 20089778
    • Nilsen RM, Vollset SE, Monsen AL, Ulvik A, Haugen M, Meltzer HM, Magnus P, Ueland PM. Infant birth size is not associated with maternal intake and status of folate during the second trimester in Norwegian pregnant women. J Nutr 2010, 140:572-579. 10.3945/jn.109.118158, 20089778.
    • (2010) J Nutr , vol.140 , pp. 572-579
    • Nilsen, R.M.1    Vollset, S.E.2    Monsen, A.L.3    Ulvik, A.4    Haugen, M.5    Meltzer, H.M.6    Magnus, P.7    Ueland, P.M.8
  • 79
    • 79956040191 scopus 로고    scopus 로고
    • Periconceptional folic acid supplementation and anthropometric measures at birth in a cohort of pregnant women in Valencia, Spain
    • 10.1017/S0007114510005143, 21272409
    • Pastor-Valero M, Navarrete-Munoz EM, Rebagliato M, Iniguez C, Murcia M, Marco A, Ballester F, Vioque J. Periconceptional folic acid supplementation and anthropometric measures at birth in a cohort of pregnant women in Valencia, Spain. Br J Nutr 2011, 105:1352-1360. 10.1017/S0007114510005143, 21272409.
    • (2011) Br J Nutr , vol.105 , pp. 1352-1360
    • Pastor-Valero, M.1    Navarrete-Munoz, E.M.2    Rebagliato, M.3    Iniguez, C.4    Murcia, M.5    Marco, A.6    Ballester, F.7    Vioque, J.8
  • 82
    • 33749076656 scopus 로고    scopus 로고
    • Periconceptional multivitamin use reduces the risk of preeclampsia
    • 10.1093/aje/kwj218, 16772374
    • Bodnar LM, Tang G, Ness RB, Harger G, Roberts JM. Periconceptional multivitamin use reduces the risk of preeclampsia. Am J Epidemiol 2006, 164:470-477. 10.1093/aje/kwj218, 16772374.
    • (2006) Am J Epidemiol , vol.164 , pp. 470-477
    • Bodnar, L.M.1    Tang, G.2    Ness, R.B.3    Harger, G.4    Roberts, J.M.5
  • 83
    • 0036841257 scopus 로고    scopus 로고
    • Risk of gestational hypertension in relation to folic acid supplementation during pregnancy
    • 10.1093/aje/kwf129, 12396998
    • Hernandez-Diaz S, Werler MM, Louik C, Mitchell AA. Risk of gestational hypertension in relation to folic acid supplementation during pregnancy. Am J Epidemiol 2002, 156:806-812. 10.1093/aje/kwf129, 12396998.
    • (2002) Am J Epidemiol , vol.156 , pp. 806-812
    • Hernandez-Diaz, S.1    Werler, M.M.2    Louik, C.3    Mitchell, A.A.4
  • 84
    • 66249109978 scopus 로고    scopus 로고
    • Association of periconceptional multivitamin use with reduced risk of preeclampsia among normal-weight women in the Danish National Birth Cohort
    • 10.1093/aje/kwp052, 2727249, 19372217
    • Catov JM, Nohr EA, Bodnar LM, Knudson VK, Olsen SF, Olsen J. Association of periconceptional multivitamin use with reduced risk of preeclampsia among normal-weight women in the Danish National Birth Cohort. Am J Epidemiol 2009, 169:1304-1311. 10.1093/aje/kwp052, 2727249, 19372217.
    • (2009) Am J Epidemiol , vol.169 , pp. 1304-1311
    • Catov, J.M.1    Nohr, E.A.2    Bodnar, L.M.3    Knudson, V.K.4    Olsen, S.F.5    Olsen, J.6
  • 85
    • 84902107374 scopus 로고    scopus 로고
    • Birth outcomes of newborns after folic acid supplementation in pregnant women with early and late pre-eclampsia: a population-based study
    • in press
    • Banhidy F, Dakhlaoui A, Dudas I, Czeizel AE. Birth outcomes of newborns after folic acid supplementation in pregnant women with early and late pre-eclampsia: a population-based study. in press.
    • Banhidy, F.1    Dakhlaoui, A.2    Dudas, I.3    Czeizel, A.E.4
  • 87
    • 84875215623 scopus 로고    scopus 로고
    • Folic acid supplementation during early pregnancy and the risk of gestational hypertension and preeclampsia
    • 10.1161/HYPERTENSIONAHA.111.00230, 23399716
    • Li Z, Ye R, Zhang L, Li H, Liu J, Ren A. Folic acid supplementation during early pregnancy and the risk of gestational hypertension and preeclampsia. Hypertension 2013, 61:873-879. 10.1161/HYPERTENSIONAHA.111.00230, 23399716.
    • (2013) Hypertension , vol.61 , pp. 873-879
    • Li, Z.1    Ye, R.2    Zhang, L.3    Li, H.4    Liu, J.5    Ren, A.6
  • 89
    • 41349123486 scopus 로고    scopus 로고
    • Folic acid and multivitamin supplement use and risk of placental abruption: a population-based registry study
    • 10.1093/aje/kwm373, 18187445
    • Nilsen RM, Vollset SE, Rasmussen SA, Ueland PM, Daltveit AK. Folic acid and multivitamin supplement use and risk of placental abruption: a population-based registry study. Am J Epidemiol 2008, 167:867-874. 10.1093/aje/kwm373, 18187445.
    • (2008) Am J Epidemiol , vol.167 , pp. 867-874
    • Nilsen, R.M.1    Vollset, S.E.2    Rasmussen, S.A.3    Ueland, P.M.4    Daltveit, A.K.5
  • 90
    • 84873398046 scopus 로고    scopus 로고
    • Maternal and fetal risk factors for stillbirth: population based study
    • Gardosi J, Madurasinghe V, Williams M, Malik A, Francis A. Maternal and fetal risk factors for stillbirth: population based study. BMJ 2013, 346:1-14.
    • (2013) BMJ , vol.346 , pp. 1-14
    • Gardosi, J.1    Madurasinghe, V.2    Williams, M.3    Malik, A.4    Francis, A.5
  • 91
    • 34247268266 scopus 로고    scopus 로고
    • Prenatal multivitamin supplementation and rates of pediatric cancers: a meta-analysis
    • 10.1038/sj.clpt.6100100, 17314929
    • Goh YI, Bollano E, Einarson TR, Koren G. Prenatal multivitamin supplementation and rates of pediatric cancers: a meta-analysis. Clin Pharmacol Ther 2007, 81:685-691. 10.1038/sj.clpt.6100100, 17314929.
    • (2007) Clin Pharmacol Ther , vol.81 , pp. 685-691
    • Goh, Y.I.1    Bollano, E.2    Einarson, T.R.3    Koren, G.4
  • 94
    • 78650189762 scopus 로고    scopus 로고
    • Pediatric cancer rates after universal folic acid fluor fortification in Ontario
    • 10.1177/0091270010365553, 20457589
    • Grupp SG, Greenberg ML, Ray JG, Busto U, Lanctôt KL, Nulman I, Koren G. Pediatric cancer rates after universal folic acid fluor fortification in Ontario. J Clin Pharmacol 2011, 51:60-65. 10.1177/0091270010365553, 20457589.
    • (2011) J Clin Pharmacol , vol.51 , pp. 60-65
    • Grupp, S.G.1    Greenberg, M.L.2    Ray, J.G.3    Busto, U.4    Lanctôt, K.L.5    Nulman, I.6    Koren, G.7
  • 95
    • 84861880945 scopus 로고    scopus 로고
    • Childhood cancer incidence trends in association with us folic acid fortification (1986-2008)
    • 10.1542/peds.2011-3418, 3362910, 22614769
    • Linabery AM, Johnson KJ, Ross JA. Childhood cancer incidence trends in association with us folic acid fortification (1986-2008). Pediatrics 2012, 129:1125-1133. 10.1542/peds.2011-3418, 3362910, 22614769.
    • (2012) Pediatrics , vol.129 , pp. 1125-1133
    • Linabery, A.M.1    Johnson, K.J.2    Ross, J.A.3
  • 96
    • 33644631845 scopus 로고    scopus 로고
    • Folate status of mothers during pregnancy and mental and psychomotor development of their children at five years of age
    • 10.1542/peds.2004-2189, 16140711
    • Tamura T, Goldenberg RL, Chapman VR, Johnston KE, Ramey SL, Nelson KG. Folate status of mothers during pregnancy and mental and psychomotor development of their children at five years of age. Pediatrics 2005, 116:703-708. 10.1542/peds.2004-2189, 16140711.
    • (2005) Pediatrics , vol.116 , pp. 703-708
    • Tamura, T.1    Goldenberg, R.L.2    Chapman, V.R.3    Johnston, K.E.4    Ramey, S.L.5    Nelson, K.G.6
  • 97
    • 84879375502 scopus 로고    scopus 로고
    • Effect of high doses of folic acid supplementation in early pregnancy on child neurodevelopment at 18 months of age: the mother-child cohort 'Rhea' study in Crete, Greece
    • 10.1017/S1368980012000067, 22314109
    • Chatzi L, Papadopoulou E, Koutra K, Roumeliotaki T, Georgiou V, Stratakis N, Lebentakou V, Karachaliou M, Vassilaki M, Kogevinas M. Effect of high doses of folic acid supplementation in early pregnancy on child neurodevelopment at 18 months of age: the mother-child cohort 'Rhea' study in Crete, Greece. Public Health Nutr 2012, 15:1728-1736. 10.1017/S1368980012000067, 22314109.
    • (2012) Public Health Nutr , vol.15 , pp. 1728-1736
    • Chatzi, L.1    Papadopoulou, E.2    Koutra, K.3    Roumeliotaki, T.4    Georgiou, V.5    Stratakis, N.6    Lebentakou, V.7    Karachaliou, M.8    Vassilaki, M.9    Kogevinas, M.10
  • 100
    • 77955692711 scopus 로고    scopus 로고
    • CDC Grand Rounds: additional opportunities to prevent neural tube defects with folic acid fortification
    • Centers for Disease Control and Prevention (CDC)
    • Centers for Disease Control and Prevention (CDC) CDC Grand Rounds: additional opportunities to prevent neural tube defects with folic acid fortification. MMWR Morb Mortal Wkly Rep 2010, 59:980-984. Centers for Disease Control and Prevention (CDC).
    • (2010) MMWR Morb Mortal Wkly Rep , vol.59 , pp. 980-984
  • 101
    • 0001716641 scopus 로고    scopus 로고
    • Food standards: amendment of standards of identity for enriched grain products to require addition of folic acid
    • U.S. Food and Drug Administration
    • U.S. Food and Drug Administration Food standards: amendment of standards of identity for enriched grain products to require addition of folic acid. Fed Regist 1996, 61:8781-8797. U.S. Food and Drug Administration.
    • (1996) Fed Regist , vol.61 , pp. 8781-8797
  • 102
    • 0008049788 scopus 로고    scopus 로고
    • Regulations amending the food and drug regulations
    • Government of Canada
    • Government of Canada Regulations amending the food and drug regulations. Canada Gazette Part II 1998, 132:3026-3040. Government of Canada.
    • (1998) Canada Gazette Part II , vol.132 , pp. 3026-3040
  • 104
    • 3142738068 scopus 로고    scopus 로고
    • The Costa Rica Experience: Reduction of NTDS following food fortification programs
    • Chen LT, Rivera MA. The Costa Rica Experience: Reduction of NTDS following food fortification programs. Nutr Rev 2004, 62:S40-S43.
    • (2004) Nutr Rev , vol.62
    • Chen, L.T.1    Rivera, M.A.2
  • 105
    • 43249108669 scopus 로고    scopus 로고
    • Decline in the prevalence of neural tube defects following folic acid fortification and its cost-benefit in South Africa
    • 10.1002/bdra.20442, 18338391
    • Sayed AR, Bourne D, Pattinson R, Nixon J, Henderson B. Decline in the prevalence of neural tube defects following folic acid fortification and its cost-benefit in South Africa. Birth Defects Res A Clin Mol Teratol 2008, 82:211-216. 10.1002/bdra.20442, 18338391.
    • (2008) Birth Defects Res A Clin Mol Teratol , vol.82 , pp. 211-216
    • Sayed, A.R.1    Bourne, D.2    Pattinson, R.3    Nixon, J.4    Henderson, B.5
  • 106
    • 84902119140 scopus 로고    scopus 로고
    • Cereals and cereal products
    • Standard 2.1.1, Australian Government
    • Australian Government Cereals and cereal products. Australia New Zealand Food Standards Code 2009, Standard 2.1.1:1-5. Australian Government.
    • (2009) Australia New Zealand Food Standards Code , pp. 1-5
  • 107
    • 79953718498 scopus 로고    scopus 로고
    • Folic acid food fortification - its history, effect, concerns, and future directions
    • 10.3390/nu3030370, 3257747, 22254102
    • Crider KS, Bailey LB, Berry RJ. Folic acid food fortification - its history, effect, concerns, and future directions. Nutrients 2011, 3:370-384. 10.3390/nu3030370, 3257747, 22254102.
    • (2011) Nutrients , vol.3 , pp. 370-384
    • Crider, K.S.1    Bailey, L.B.2    Berry, R.J.3
  • 108
    • 84876157391 scopus 로고    scopus 로고
    • Impact of folic acid fortification of flour on neural tube defects: a systematic review
    • 10.1017/S1368980012003576, 22850218
    • Castillo-Lancellotti C, Tur JA, Uauy R. Impact of folic acid fortification of flour on neural tube defects: a systematic review. Public Health Nutr 2013, 16:901-911. 10.1017/S1368980012003576, 22850218.
    • (2013) Public Health Nutr , vol.16 , pp. 901-911
    • Castillo-Lancellotti, C.1    Tur, J.A.2    Uauy, R.3
  • 109
    • 84898844944 scopus 로고    scopus 로고
    • Micronutrient fortification of food and its impact on woman and child health: a systematic review
    • 10.1186/2046-4053-2-67, 3765883, 23971426
    • Das JK, Salam RA, Kumar R, Bhutta ZA. Micronutrient fortification of food and its impact on woman and child health: a systematic review. Systematic Reviews 2013, 2:67-90. 10.1186/2046-4053-2-67, 3765883, 23971426.
    • (2013) Systematic Reviews , vol.2 , pp. 67-90
    • Das, J.K.1    Salam, R.A.2    Kumar, R.3    Bhutta, Z.A.4
  • 112
    • 0035894581 scopus 로고    scopus 로고
    • Quantifying the effect of folic acid
    • 10.1016/S0140-6736(01)07104-5, 11755633
    • Wald NJ, Law MR, Morris JK, Wald DS. Quantifying the effect of folic acid. Lancet 2001, 358:2069-2073. 10.1016/S0140-6736(01)07104-5, 11755633.
    • (2001) Lancet , vol.358 , pp. 2069-2073
    • Wald, N.J.1    Law, M.R.2    Morris, J.K.3    Wald, D.S.4
  • 113
    • 0029022223 scopus 로고
    • Reduced recurrence of orofacial clefts after periconceptional supplementation with high dose folic acid and multivitamins
    • 10.1002/tera.1420510205, 7660324
    • Tolarova M, Harris J. Reduced recurrence of orofacial clefts after periconceptional supplementation with high dose folic acid and multivitamins. Teratology 1995, 51:71-78. 10.1002/tera.1420510205, 7660324.
    • (1995) Teratology , vol.51 , pp. 71-78
    • Tolarova, M.1    Harris, J.2
  • 114
    • 17344395322 scopus 로고    scopus 로고
    • Dose-dependent effect of folic acid on the prevention of orofacial clefts
    • 10.1542/peds.104.6.e66, 10586000
    • Czeizel AE, Timar L, Sarkozi A. Dose-dependent effect of folic acid on the prevention of orofacial clefts. Pediatrics 1999, 104:e66. 10.1542/peds.104.6.e66, 10586000.
    • (1999) Pediatrics , vol.104
    • Czeizel, A.E.1    Timar, L.2    Sarkozi, A.3
  • 116
    • 36248946255 scopus 로고    scopus 로고
    • Calculation of red blood cell folate steady state conditions and elimination kinetics after daily supplementation with various folate forms and doses in women of childbearing age
    • Pietrzik K, Lamers Y, Bramswig S, Prinz-Langerohl R. Calculation of red blood cell folate steady state conditions and elimination kinetics after daily supplementation with various folate forms and doses in women of childbearing age. Am J Clin Nutr 2007, 86:1414-1419.
    • (2007) Am J Clin Nutr , vol.86 , pp. 1414-1419
    • Pietrzik, K.1    Lamers, Y.2    Bramswig, S.3    Prinz-Langerohl, R.4
  • 117
    • 39049133314 scopus 로고    scopus 로고
    • How well do blood folate concentrations predict dietary folate intakes in a sample of Canadian lactating women exposed to high levels of folate? An observational study
    • Houghton LA, Sherwood KL, O'Connor DL. How well do blood folate concentrations predict dietary folate intakes in a sample of Canadian lactating women exposed to high levels of folate? An observational study. BMC Pregnancy Childbirth 2007, 25:7-25.
    • (2007) BMC Pregnancy Childbirth , vol.25 , pp. 7-25
    • Houghton, L.A.1    Sherwood, K.L.2    O'Connor, D.L.3
  • 118
    • 48249083808 scopus 로고    scopus 로고
    • Review of the magnitude of folate and Vitamin B12 deficiencies worldwide
    • McLean E, de Benoist B, Allen LH. Review of the magnitude of folate and Vitamin B12 deficiencies worldwide. Food Nutr Bull 2008, 29:S38-S51.
    • (2008) Food Nutr Bull , vol.29
    • McLean, E.1    de Benoist, B.2    Allen, L.H.3
  • 120
    • 38849187353 scopus 로고    scopus 로고
    • Genetics Committee of the Society of Obstetricians and Gynaecologists of Canada and The Motherrisk Program. Pre-conceptional vitamin/folic acid supplementation 2007: the use of folic acid in combination with a multivitamin supplement for the prevention of neural tube defects and other congenital anomalies
    • Wilson RD, Johnson JA, Wyatt P, Allen V, Gagnon A, Langlois S, Blight C, Audibert F, Désilets V, Brock JA, Koren G, Goh YI, Nguyen P, Kapur B. Genetics Committee of the Society of Obstetricians and Gynaecologists of Canada and The Motherrisk Program. Pre-conceptional vitamin/folic acid supplementation 2007: the use of folic acid in combination with a multivitamin supplement for the prevention of neural tube defects and other congenital anomalies. J Obstet Gynaecol Can 2007, 29:1003-1026.
    • (2007) J Obstet Gynaecol Can , vol.29 , pp. 1003-1026
    • Wilson, R.D.1    Johnson, J.A.2    Wyatt, P.3    Allen, V.4    Gagnon, A.5    Langlois, S.6    Blight, C.7    Audibert, F.8    Désilets, V.9    Brock, J.A.10    Koren, G.11    Goh, Y.I.12    Nguyen, P.13    Kapur, B.14
  • 121
    • 84860285811 scopus 로고    scopus 로고
    • Identifying women who might benefit from higher doses of folic acid in pregnancy
    • 3325450, 22499814
    • Kennedy D, Koren G. Identifying women who might benefit from higher doses of folic acid in pregnancy. Can Fam Physician 2012, 58:394-397. 3325450, 22499814.
    • (2012) Can Fam Physician , vol.58 , pp. 394-397
    • Kennedy, D.1    Koren, G.2
  • 122
    • 0035088391 scopus 로고    scopus 로고
    • Effect of smoking on serum concentrations of total homocysteine and B vitamins in mid-pregnancy
    • 10.1016/S0009-8981(01)00402-8, 11282100
    • Pagan K, Hou J, Goldenberg RL, Cliver SP, Tamura T. Effect of smoking on serum concentrations of total homocysteine and B vitamins in mid-pregnancy. Clin Chim Acta 2001, 306:103-109. 10.1016/S0009-8981(01)00402-8, 11282100.
    • (2001) Clin Chim Acta , vol.306 , pp. 103-109
    • Pagan, K.1    Hou, J.2    Goldenberg, R.L.3    Cliver, S.P.4    Tamura, T.5
  • 123
    • 84855544010 scopus 로고    scopus 로고
    • Folic acid supplements modify the adverse effects of maternal smoking on fetal growth and neonatal complications
    • 10.3945/jn.111.142976, 22031658
    • Bakker R, Timmermans S, Steegers EA, Hofman A, Jaddoe VW. Folic acid supplements modify the adverse effects of maternal smoking on fetal growth and neonatal complications. J Nutr 2011, 141:2172-2179. 10.3945/jn.111.142976, 22031658.
    • (2011) J Nutr , vol.141 , pp. 2172-2179
    • Bakker, R.1    Timmermans, S.2    Steegers, E.A.3    Hofman, A.4    Jaddoe, V.W.5
  • 124
    • 84858608120 scopus 로고    scopus 로고
    • Examination of circulating folate levels as a reflection of folate intakes among older adult supplement users and nonusers in the national health and nutrition examination survey 2003-2004
    • 10.1016/j.jada.2011.10.001, 22732462
    • Vanderwall CM, Tangney CC, Kwasny MJ, Gustashaw KA. Examination of circulating folate levels as a reflection of folate intakes among older adult supplement users and nonusers in the national health and nutrition examination survey 2003-2004. J Acad Nutr Diet 2012, 112:285-290. 10.1016/j.jada.2011.10.001, 22732462.
    • (2012) J Acad Nutr Diet , vol.112 , pp. 285-290
    • Vanderwall, C.M.1    Tangney, C.C.2    Kwasny, M.J.3    Gustashaw, K.A.4
  • 125
    • 0034735832 scopus 로고    scopus 로고
    • Folic acid antagonists during pregnancy and the risk of birth defects
    • 10.1056/NEJM200011303432204, 11096168
    • Hernandez-Diaz S, Werler MM, Walker AM, Mitchell AA. Folic acid antagonists during pregnancy and the risk of birth defects. N Engl J Med 2000, 343:1608-1614. 10.1056/NEJM200011303432204, 11096168.
    • (2000) N Engl J Med , vol.343 , pp. 1608-1614
    • Hernandez-Diaz, S.1    Werler, M.M.2    Walker, A.M.3    Mitchell, A.A.4
  • 126
    • 57349193817 scopus 로고    scopus 로고
    • Maternal exposure to folic acid antagonists and placenta-mediated adverse pregnancy outcomes
    • 10.1503/cmaj.080859, 2585135, 19047607
    • Wen SW, Zhou J, Yang Q, Fraser W, Olatunbosun O, Walker M. Maternal exposure to folic acid antagonists and placenta-mediated adverse pregnancy outcomes. CMAJ 2008, 179:1263-1268. 10.1503/cmaj.080859, 2585135, 19047607.
    • (2008) CMAJ , vol.179 , pp. 1263-1268
    • Wen, S.W.1    Zhou, J.2    Yang, Q.3    Fraser, W.4    Olatunbosun, O.5    Walker, M.6
  • 127
    • 78149344838 scopus 로고    scopus 로고
    • Folic acid: from research to public health
    • 04/26
    • Taruscio D. Folic acid: from research to public health. Rapporti Istisan 2004, 04/26:1-37.
    • (2004) Rapporti Istisan , pp. 1-37
    • Taruscio, D.1
  • 128
    • 84879428840 scopus 로고    scopus 로고
    • Impact of continuing folic acid after the first trimester of pregnancy: findings of a randomized trial of Folic Acid Supplementation in the Second and Third Trimesters
    • 10.3945/ajcn.112.057489, 23719554
    • McNulty B, McNulty H, Marshall B, Ward M, Molloy AM, Scott JM, Dornan J, Pentieva K. Impact of continuing folic acid after the first trimester of pregnancy: findings of a randomized trial of Folic Acid Supplementation in the Second and Third Trimesters. Am J Clin Nutr 2013, 98:92-98. 10.3945/ajcn.112.057489, 23719554.
    • (2013) Am J Clin Nutr , vol.98 , pp. 92-98
    • McNulty, B.1    McNulty, H.2    Marshall, B.3    Ward, M.4    Molloy, A.M.5    Scott, J.M.6    Dornan, J.7    Pentieva, K.8
  • 129
    • 0020062029 scopus 로고
    • Plasma and red cell folate in mothers and infants in normal pregnancies. Relation to birth weight
    • Ek J. Plasma and red cell folate in mothers and infants in normal pregnancies. Relation to birth weight. Acta Obstet Gynecol Scand 1982, 61:17-20.
    • (1982) Acta Obstet Gynecol Scand , vol.61 , pp. 17-20
    • Ek, J.1
  • 131
    • 84866269455 scopus 로고    scopus 로고
    • Effect of folate intake on health outcomes in pregnancy: a systematic review and meta-analysis on birth weight, placental weight and length of gestation
    • 10.1186/1475-2891-11-75, 3499376, 22992251
    • Fekete K, Berti C, Trovato M, Lohner S, Dullemeijer C, Souverein OW, Cetin I, Decsi T. Effect of folate intake on health outcomes in pregnancy: a systematic review and meta-analysis on birth weight, placental weight and length of gestation. Nutr J 2012, 11:75. 10.1186/1475-2891-11-75, 3499376, 22992251.
    • (2012) Nutr J , vol.11 , pp. 75
    • Fekete, K.1    Berti, C.2    Trovato, M.3    Lohner, S.4    Dullemeijer, C.5    Souverein, O.W.6    Cetin, I.7    Decsi, T.8
  • 132
    • 84880073241 scopus 로고    scopus 로고
    • Folic acid supplementation during pregnancy for maternal health and pregnancy outcomes
    • doi:10.1002/14651858.CD006896.pub2
    • Lassi ZS, Salam RA, Haider BA, Bhutta ZA. Folic acid supplementation during pregnancy for maternal health and pregnancy outcomes. Cochrane Database Syst Rev 2013, (3):CD006896. doi:10.1002/14651858.CD006896.pub2.
    • (2013) Cochrane Database Syst Rev , Issue.3
    • Lassi, Z.S.1    Salam, R.A.2    Haider, B.A.3    Bhutta, Z.A.4
  • 133
    • 0031752789 scopus 로고    scopus 로고
    • Etiology and pathogenesis of preeclampsia: current concepts
    • 10.1016/S0002-9378(98)70160-7, 9822529
    • Dekker GA, Sibai BM. Etiology and pathogenesis of preeclampsia: current concepts. Am J Obstet Gynecol 1998, 179:1359-1375. 10.1016/S0002-9378(98)70160-7, 9822529.
    • (1998) Am J Obstet Gynecol , vol.179 , pp. 1359-1375
    • Dekker, G.A.1    Sibai, B.M.2
  • 135
    • 6944221778 scopus 로고    scopus 로고
    • Use of folic acid supplementation and risk for dizygotic twinning
    • 10.1016/j.earlhumdev.2004.06.002, 15500994
    • Kallen B. Use of folic acid supplementation and risk for dizygotic twinning. Early Hum Dev 2004, 80:143-151. 10.1016/j.earlhumdev.2004.06.002, 15500994.
    • (2004) Early Hum Dev , vol.80 , pp. 143-151
    • Kallen, B.1
  • 136
    • 17244373360 scopus 로고    scopus 로고
    • Impact of misclassification of in vitro fertilisation in studies of folic acid and twinning: modelling using population based Swedish vital records
    • 10.1136/bmj.38369.437789.82, 556070, 15722370
    • Berry RJ, Kihlberg R, Devine O. Impact of misclassification of in vitro fertilisation in studies of folic acid and twinning: modelling using population based Swedish vital records. BMJ 2005, 330:815. 10.1136/bmj.38369.437789.82, 556070, 15722370.
    • (2005) BMJ , vol.330 , pp. 815
    • Berry, R.J.1    Kihlberg, R.2    Devine, O.3
  • 138
    • 33947229516 scopus 로고    scopus 로고
    • Folic acid and risk of twinning: a systematic review of the recent literature, July 1994 to July 2006
    • Muggli EE, Halliday JL. Folic acid and risk of twinning: a systematic review of the recent literature, July 1994 to July 2006. MJA 2007, 186:243-248.
    • (2007) MJA , vol.186 , pp. 243-248
    • Muggli, E.E.1    Halliday, J.L.2
  • 140
    • 84886307873 scopus 로고    scopus 로고
    • Prenatal folic acid and risk of asthma in children: a systematic review and meta-analysis
    • 10.3945/ajcn.113.065623, 24004895
    • Crider KS, Cordero AM, Qi YP, Mulinare J, Dowling NF, Berry RJ. Prenatal folic acid and risk of asthma in children: a systematic review and meta-analysis. Am J Clin Nutr 2013, 98:1272-1281. 10.3945/ajcn.113.065623, 24004895.
    • (2013) Am J Clin Nutr , vol.98 , pp. 1272-1281
    • Crider, K.S.1    Cordero, A.M.2    Qi, Y.P.3    Mulinare, J.4    Dowling, N.F.5    Berry, R.J.6


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.