Physical activity and pregnancy: Past and present evidence and future recommendations

Research Quarterly for Exercise and Sport

Volumn 83, Issue 4, 2012, Pages 485-502

  Downs, Danielle Symons ^a   Chasan Taber, Lisa ^b   Evenson, Kelly R ^c   Leiferman, Jenn ^d   Yeo, SeonAe ^e  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

^b UNIVERSITY OF MASSACHUSETTS   (United States)

^c IL   (United States)

^d Global Health and Health Disparities   (United States)

^e UNIVERSITY OF NORTH CAROLINA   (United States)

Author keywords

Exercise; Prenatal; Review

Indexed keywords

EXERCISE; FEMALE; HEALTH PROMOTION; HUMAN; MATERNAL WELFARE; PATHOPHYSIOLOGY; PHYSIOLOGIC MONITORING; PHYSIOLOGY; PREGNANCY; PREGNANCY COMPLICATION; PREGNANCY OUTCOME; PRENATAL CARE; REVIEW;

EXERCISE; FEMALE; HEALTH PROMOTION; HUMANS; MATERNAL WELFARE; MONITORING, PHYSIOLOGIC; PREGNANCY; PREGNANCY COMPLICATIONS; PREGNANCY OUTCOME; PRENATAL CARE;

EID: 85008783349     PISSN: 02701367     EISSN: 21683824     Source Type: Journal    
DOI: 10.1080/02701367.2012.10599138     Document Type: Article

References (157)

1. Ainsworth, B. E., Haskell, W. L., Herrmann, S. D., Meckes, N., Bassett, D. R., Jr., Tudor-Locke, C.,…Leon, A. S. (2011). 2011 Compendium of physical activities: A second update of codes and MET values. Medicine & Science in Sports & Exercise, 43, 1575-1581.
2. Ainsworth, B. E., Sternfeld, B., Richardson, M., & Jackson, K. (2000). Evaluation of the Kaiser Physical Activity Survey in women. Medicine & Science in Sports & Exercise, 32, 1327-1338.
3. Aittasalo, M., Pasanen, M., Fogelholm, M., & Ojala, K. (2010). Validity and repeatability of a short pregnancy leisure time physical activity questionnaire. JumalofPhyskalActivity and Health, 7, 109-118.
4. Alleyne, J. (2008). Canadian Academy of Sports Medicine position statement: Exercise and pregnancy. Retrieved from http://www.sirc.ca/newsletters/may08/documents/PregnancyPositionPaper.pdf
5. American College of Obstetricians and Gynecologists. (1985). Exercise during pregnancy and the prenatal period,. Washington, DC: Author.
6. American College of Obstetricians and Gynecologists. (1994). Technical bulletin number 189: Exercise during pregnancy and the postpartum period,. Washington, DC: Author.
7. American College of Obstetricians and Gynecologists. (2002). American College of Obstetricians and Gynecologists committee opinion number 267: Exercise during pregnancy and the postpartum period. Obstetrics and Gynecology, 99, 171-173.
8. American Diabetes Association. (2011). Standards of medical care in diabetes, 2011. Diabetes Care, 34, S11-S61.
9. Ampt, A. J., Amoroso, C., Harris, M. F., McKenzie, S. H., Rose, V. K., & Taggart, J. R. (2009). Attitudes, norms and controls influencing lifestyle risk factor management in general practice. BMC Family Practice, 10, 59. Retrieved from http://www.biomedcentral.com/1471-2296/10/59
10. Avery, M. D., Leon, A. S., & Kopher, R. A. (1997). Effects of a partially home-based exercise program for women with gestational diabetes. Obstetrics and Gynecology, 89, 10-15.
11. Bandura, A. (1986). Social foundations of thought and action: A social cognitive theory. Englewood Cliffs, NJ: Prentice Hall.
12. Barakat, R., Lucia, A., & Ruiz, J. R. (2009). Resistance exercise training during pregnancy and newborn’s birth size: A randomised controlled trial. International Journal ofObesity, 33, 1048-1057.
13. Barakat, R., Cordero, Y., Coteron, J., Luaces, M., & Montejo, R. (2011). Exercise during pregnancy improves maternal glucose screen at 24-28 weeks: A randomised controlled trial. British Journal of Sports Medicine. doi:10.1136/bjs-ports-2011-090009
14. Bellamy, L., Casas, J., Hingorani, A., & Williams, D. (2009). Type 2 diabetes mellitus after gestational diabetes: A systematic review and meta-analysis. The Lancet, 373, 1773-1779.
15. Berg, C. J., Mackay, A. P., Qin, C., & Callaghan, W. M. (2009). Overview of maternal morbidity during hospitalization for labor and delivery in the United States: 1993-1997 and 2001-2005. Obstetrics and Gynecology, 113, 1075-1081.
16. Berntsen, S., Stafne, S. N., & Morkved, S. (2011) Physical activity monitor for recording energy expenditure in pregnancy. Acta Obstetricia et Gynecologica Scandinavka, 90, 903-907.
17. Black, J. E., Kieffer, E. C., Villarruel, A. M., & Sinco, B. R. (2007). Predicting the exercise intention of pregnant Latina women. Hispanic Health Care International, 5(1), 5-12.
18. Bodnar, L., Catov, J., Klebanoff, M., Ness, R., & Roberts, J. (2007). Prepregnancy body mass index and the occurrence of severe hypertensive disorders of pregnancy. Epidemiology, 18, 234-239.
19. Bovbjerg, M. L., & Siega-Riz, A. M. (2009). Exercise during pregnancy and cesarean delivery: North Carolina PRAMS, 2004-2005. Birth, 36, 200-207.
20. Brantsaeter, A. L., Owe, K M., Haugen, M., Alexander, J., Meltzer, H. M., & Longnecker, M. P. (2010). Validation of selfreported recreational exercise in pregnant women in the Norwegian Mother and Child Cohort Study. Scandinavian Journal of Medicine and Science in Sports, 20, e48-e55.
21. Briend, A. (1980). Maternal physical activity, birth weight and perinatal mortality. Medical Hypotheses, 6, 1157-1170.
22. Callaway, L., Colditz, P., Byrne, N., Lingwood, B., Rowlands, I., Foxcroft, K., & McIntyre, H. D. (2010). Prevention of gestational diabetes: Feasibility issues for an exercise intervention in obese pregnant women. Diabetes Care, 33, 1457-1459.
23. Cedergren, M. (2004). Maternal morbid obesity and the risk of adverse pregnancy outcome. Obstetrics and Gynecology, 103, 219-224.
24. Chambers, J. C., Fusi, L., Malik, I. S., Haskard, D. O., De Swiet, M., & Kooner, J. S. (2001). Association of maternal endothelial dysfunction with preeclampsia. Journal of the American Medcal Association, 285, 1607-1612.
25. Chasan-Taber, L., Evenson, K R., Sternfeld, B., & Kengeri, S. (2007). Assessment of recreational physical activity during pregnancy in epidemiologic studies of birth weight and length of gestation: Methodologic aspects. Women & Health, 45, 85-107.
26. Chasan-Taber, L., Schmidt, M., Pekow, P., Sternfeld, B., Solomon, C., & Markenson, G. (2008). Predictors of excessive and inadequate gestational weight gain in Hispanic women. Obesity, 16(7), 1657-1666.
27. Chasan-Taber, L., Schmidt, M., Roberts, D., Hosmer, D., Markenson, G., & Freedson, P. (2004). Development and validation of a pregnancy physical activity questionnaire. Medicine & Science in Sports & Exercise, 36, 1750-1760.
28. Cheung, N. W., & Byth, K (2003). Population health significance of gestational diabetes. Diabetes Care, 26, 2005-2009.
29. Clapp, J. F., 3rd, & Capeless, E. L. (1990). Neonatal morphometrics after endurance exercise during pregnancy. American Journal ofObstetrics and Gynecology, 163, 1805-1811.
30. Clarke, P. E., & Gross, H. (2004). Women’s behaviour, beliefs and information sources about physical exercise in pregnancy. Midwifery, 20, 133-141.
31. Cohen, T. R., Plourde, H., & Koski, K G. (2010). Are Canadian women achieving a fit pregnancy? A pilot study. Canadian Journal of Public Health, 101(1), 87-91.
32. Connolly, C. P., Coe, D. P., Kendrick, J. M., Bassett, D. R., Jr., & Thompson, D. L. (2011). Accuracy of physical activity monitors in pregnant women. Medicine & Science in Sports & Exercise, 43(6), 1100-1105.
33. Cramp, A. G., & Bray, S. R. (2009). A prospective examination of exercise and barrier self-efficacy to engage in leisure-time physical activity during pregnancy. Annals of Behavioral Medkine, 37, 325-334.
34. Crane, J. M. G., White, J., Murphy, P., Burrage, L., & Hutchens, D. (2009). The effect of gestational weight gain by body mass index on maternal and neonatal outcomes. Journalof Obstetrics and Gynaecology Canada, 31(1), 28-35.
35. Dempsey, J. C., Butler, C. L., Sorensen, T. K., Lee, I. M., Thompson, M. L., Miller, R. S.,…Williams, M. A. (2004). A case-control study of maternal recreational physical activity and risk of gestational diabetes mellitus. Diabetes Research and Clinical Practice, 66, 203-215.
36. DiNallo, J., Le Masurier, G., Williams, N., & Symons Downs, D. (2008). Walking for health in pregnancy: Assessment by indirect calorimetry and accelerometry. Research Quarterly for Exercise and Sport, 79, 28-35.
37. DiNallo, J. M., Symons Downs, D., & Le Masurier, G. C. (2012). Objectively assessing treadmill walking during the second and third pregnancy trimesters. Journal of Physical Activity and Health, 9, 21-28.
38. Dodd, J., Crowther, C., & Robinson, J. (2008). Dietary and lifestyle interventions to limit weight gain during pregnancy for obese or overweight women: A systematic review. Acta Obstetricia et Gynecologica Scandinaiica, 87, 702-706.
39. Doran, F., & O’Brien, A. P. (2007). A brief report of attitudes towards physical activity during pregnancy. Health Promotion Journal of Australia, 18, 155-158.
40. Duncombe, D., Wertheim E. H., Skouteris, H., Paxton, S. J., & Kelly L. (2007). Factors related to exercise over the course of pregnancy including women’s beliefs about safety of exercise during pregnancy. Midwifery, 25, 430-438.
41. Entin, P. L., & Munhall, K M. (2006). Recommendations regarding exercise during pregnancy made by private/small group practice obstetricians in the USA. JournalofSports Science and Medicine, 5, 449-458.
42. Esperat, C., Feng, D., Zhang, Y., & Owen, D. (2007). Health behaviors of low-income pregnant minority women. Western Journal of Nursing Research, 29, 284-300.
43. Evenson, K R., Chasan-Taber, L., Symons Downs, D., & Pearce, E. E. (2012). Review of self-reported physical activity assessments for pregnancy: Summary of the evidence for validity and reliability. Paediatric and Perinatal Epidemiology, 26, 479-494.
44. Evenson, K R., Moos, M. K., Carrier, K., & Siega-Riz, A. M. (2008). Perceived barriers to physical activity among pregnant women. Ma, ternaland Child Health Journal, 13, 364-375.
45. Evenson, K R., Savitz, D. A., & Huston, S. L. (2004). Leisuretime physical activity among pregnant women in the US. Paediatric and Perinatal Epidemiology, 18, 400-407.
46. Evenson, K R., & Wen, F. (2010a). Measuring physical activity in pregnant women using a structured one-week recall questionnaire: Evidence for validity and reliability. International Journal of Physical Activiy, 7, 21. Retrieved from http://www.ijbnpa.org/content/27/21/21
47. Evenson, K R., & Wen, F. (2010b). National trends in selfreported physical activity and sedentary behaviors among pregnant women: NHANES 1999-2006. Preventive Medicine, 50, 123-128.
48. Evenson, K R., & Wen, F. (2011). National prevalence and correlates of objectively measured physical activity and sedentary behaviors among pregnant women. Preventive Medicine, 53, 39-43.
49. Ewart, C. (2009). Changing our unhealthy ways: Emerging perspectives from social action theory. In R. J. DiClemente, R. A. Crosby, & M. C. Kegler (Eds.), Emerging theories in health promotion practice and research (2nd ed., pp. 359-389). San Francisco, CA: Jossey-Bass.
50. Federal Security Agency and Social Security Administration. (1949). Prenatal care. Children’s Bureau Publication, 25-26.
51. Ferrara, A., Kahn, H. S., Quesenberry, C. P., Riley, C., & Hedderson, M. M. (2004). An increase in the incidence of gestational diabetes mellitus: Northern California, 1991-2000. Obstetrics and Gynecology, 103, 526-533.
52. Fortner, R., Pekow, P., Whitcomb, B., Sievert, L., Markenson, G., & Chasan-Taber, L. (2011). Physical activity and hypertensive disorders of pregnancy among Hispanic women. Medicine & Science in Sports & Exercise, 43, 639-646.
53. Gaston, A., & Cramp, A. (2011). Exercise during pregnancy: A review of patterns and determinants. Journal ofScience and Medicine in Sport, 14, 299-305.
54. Gaston, A., & Pravpavessis, H. (2009). Maternal-fetal disease information as a source of exercise motivation during pregnancy. Health Psychology, 28, 726-733.
55. Glanz, K., Rimer, B. K., & Viswanath, K (2008). Health behavior and health education (4th ed.). San Francisco: Jossey-Bass.
56. Gong, J., Savitz, D. A., Stein, C. R., & Engel, S. M. (2011). Maternal ethnicity and pre-eclampsia in New York City, 1995-2003. Paediatric andPerinatalEpidemiology, 26, 45-52.
57. Grace, S. L., Williams, A., Stewart, D. E., & Franche, R. L. (2006). Health-promoting behaviors through pregnancy, maternity leave, and return to work: Effects of role spillover and other correlates. Women & Health, 43, 51-72.
58. Grpntved, A., & Hu, F. (2011). Television viewing and risk of type 2 diabetes, cardiovascular disease, and all-cause mortality: A meta-analysis. Journal of the American Medcal Association, 305, 2448-2455.
59. Haakstad, L. A., Gundersen, I., & Bo, K (2010). Self-reporting compared to motion monitor in the measurement of physical activity during pregnancy. Acta Obstetricia et Gynecologica Scandinavica, 89, 749-756.
60. Haakstad, L., Voldner, N., Henriksen, T., & Bo, K (2009). Why do pregnant women stop exercising in the third trimester? Acta Obstetricia et Gynecologica Scandinavica, 88, 1267-1275.
61. Harrison, C. L., Thompson, R. G., Teede, H. J., & Lombard, C. B. (2011). Measuring physical activity during pregnancy. International Journal of Behavioral Nutrition and Physical Activity, 8, 19. Retrieved from http://www.ijbnpa.org/content/8/1/19
62. Hatch, M. C., Shu, X. O., McLean, D. E., Levin, B., Begg, M., Reuss, L., & Susser, M. (1993). Maternal exercise during pregnancy, physical fitness, and fetal growth. American Journal of Epidemiology, 137, 1105-1114.
63. Hausenblas, H. A., & Symons Downs, D. (2004). Prospective examination of the Theory of Planned Behavior applied to exercise behavior during women’s first trimester of pregnancy. Journal of Reproductive and Infant Psychology, 3, 199-210.
64. Hegaard, H. K., Ottesen, B., Hedegaard, M., Petersson, K., Henriksen, T. B., Damm, P.,…Dykes, A. K (2010). The association between leisure time physical activity in the year before pregnancy and pre-eclampsia. Journal of Obstetrics and Gynaecology, 30, 21-24.
65. Herrera, J. A. (1993). Nutritional factors and rest reduce pregnancy induced hypertension and pre-eclampsia in positive rollover test primigravidas. InternationalJournal ofGynecology & Obstetrics, 41, 31-35.
66. Hinton, P. S., & Olson, C. M. (2001). Predictors of pregnancy-associated changes in physical activity in a rural white population. Maternal and Child Health Journal, 5, 7-14.
67. Hopkins, S., Baldi, J., Cutfield, W., McCowan, L., & Hofman, P. (2010). Exercise training in pregnancy reduces offspring size without changes in maternal insulin sensitivity. TheJournal of Clinical Endocrinology and Metabolism, 95, 2080-2088.
68. Hu, F., Li, T., Colditz, G., Willett, W., & Manson, J. (2003). Television watching and other sedentary behaviors in relation to risk of obesity and type 2 diabetes mellitus in women. Journal of the American Medical Association, 289, 1785-1791.
69. Hui, A., Back, L., Ludwig, S., Gardiner, P., Sevenhuysen, G., Dean, H.,…Shen, G. (2012). Lifestyle intervention on diet and exercise reduced excessive gestational weight gain in pregnant women under a randomised controlled trial. BJOG: An International Journal of Obstetrics and Gynaecology, 119, 70-77.
70. Institute of Medicine. (2009). Weight gain during pregnancy: Reexamining the guidelines. In K. M. Rasmussen & A. L. Yaktine (Eds.), Committee to reexamine IOM pregnancy weight guidelines. Institute of Medicine, National Research Council (pp. 1-287). Retrieved from http://www.nap.edu/
71. International Association of Diabetes and Pregnancy Study Groups Consensus Panel. (2010). International Association of Diabetes and Study Groups recommendations on the diagnosis and classification of hyperglycemia in pregnancy. Diabetes Care, 33, 676-682.
72. Jansik, R., Braspenning, J., van der Weijden, T., Elwyn, G., & Grol, R. (2010). Primary care nurses struggle with lifestyle counseling in diabetes care: A qualitative analysis. BMC Family Practce, 11, 41. Retrieved from http://www.biomedcentral.com/1471-2296/11/41
73. Jukic, A. M. Z., Evenson, K R., Daniels J., Herring, A. H., Wilcox, A. J., & Hartmann, K E. (2012). Correlates of physical activity at two time points during pregnancy. Journal of Physical Activity and Health, 9, 325-335.
74. Kerr, J. M. M., Johnstone, R. W., & Phillips, M. H. (1954). Historical review of British obstetrics and gynecology. London: E. S. Livingstone.
75. Kieffer, E. C., Carman, W. J., Gillespie, B. W., Nolan, G. H., Worley, S. E., & Guzman, J. R. (2001). Obesity and gestational diabetes among African-American women and Latinas in Detroit: Implications for disparities in women’s health. Journal of the American Medical Women’s Association, 56, 181-187.
76. Kieffer, E. C., Willis, S. K., Arellano, N., & Guzman, R. (2002). Perspectives of pregnant and postpartum Latino women on diabetes, physical activity, and health. Health Education and Behavior, 29, 542-556.
77. Knowler, W. C., Barrett-Connor, E., Fowler, S. E., Hamman, R. F., Lachin, J. M., Walker, E. A., & Nathan, D. M. (Diabetes Prevention Program Research Group). (2002). Reduction in the incidence of type 2 diabetes with lifestyle intervention or metformin. The New England Journal of Medicine, 346, 393-403.
78. Korpi-Hyovalti, E. A. L., Laaksonen, D., Schwab, U., Vanhapiha, T., Vihla, K., Heinonen, S., & Niskanen, L. (2011). Feasibility of a lifestyle intervention in early pregnancy to prevent deterioration of glucose tolerance. BMC Public Health, 11, 179.
79. Krishnan, S., Rosenberg, L., & Palmer, J. (2009). Physical activity and television watching in relation to risk of type 2 diabetes: The black women’s health study. America, n Journal of Epidemiology, 169, 428-434.
80. Leiferman, J. A., Swibas, T., Koiness, K., Marshall, J. A., & Dunn, A. L. (2011). My baby, my move: Examination of perceived barriers and motivating factors related to antenatal physical activity. Journal of Midwifery Women’s Health, 56, 33-40.
81. Levine, J. (2004). Non-exercise activity theromogenesis (NEAT): Environment and biology. American Journal of Physiology, Endocrinology, and Metabolism, 286, E675-E685.
82. Levine, J., Vander Weg, M., Hill, J., & Klesges, R. (2006). Nonexercise activity thermogenesis: The crouching tiger hidden dragon of societal weight gain. Arteriosclerosis, Thrombosis, and Vascular Biology, 25, 2451-2462.
83. Lindseth, G., & Vari, P. (2005). Measuring physical activity during pregnancy. Western Journal of Nursing Research, 27, 722-734.
84. Lof, M. (2011). Physical activity pattern and activity energy expenditure in healthy pregnant and non-pregnant Swedish women. European JournalofClinicalNutrition, 65, 1295-1301.
85. Lof, M., & Forsum, E. (2006). Activity pattern and energy expenditure due to physical activity before and during pregnancy in healthy Swedish women. British Journal of Nutrition, 95, 296-302.
86. Lof, M., Hannestad, U., & Forsum, E. (2002). Assessing physical activity of women of childbearing age. Ongoing work to develop and evaluate simple methods. Food Nutrition Bulletin, 23, 30-33.
87. Lof, M., Hannestad, U., & Forsum, E. (2003). Comparison of commonly used procedures, including the doubly-labeled water technique, in the estimation of total energy expenditure of women with special reference to the significance of body fatness. British Journal of Nutrition, 90, 961-968.
88. Lombard, C., Deeks, A., Jolley, D., & Teede, H.J. (2009). Preventing weight gain: The baseline weight related behaviors and delivery of a randomized controlled intervention in community based women. BMC Public Health, 9, 2. Retrieved from http://www.biomedcentral.com/1471-2458/9/2
89. Magnus, P., Trogstad, L., Owe, K M., Olsen, S. F., & Nystad, W. (2008). Recreational physical activity and the risk of preeclampsia: A prospective cohort of Norwegian women. American Journal of Epidemiology, 168, 952-957.
90. Marcoux, S., Brisson, J., & Fabia, J. (1989). The effect of leisure time physical activity on the risk of pre-eclampsia and gestational hypertension. JournalofEpidemiology and Community Health, 43, 147-152.
91. Marquez, D. X., Bustamante, E. E., Bock, B. C., Markenson, G., Tovar, A., & Chasan-Taber, L. (2009). Perspectives of Latina and non-Latina white women on barriers and facilitators to exercise in pregnancy. Womens Health, 49, 505-521.
92. Martin, C., & Brunner Huber, L. (2010). Physical activity and hypertensive complications during pregnancy: Findings from 2004 to 2006 North Carolina pregnancy risk assessment monitoring system. Birth, 37, 202-210.
93. McParlin, C., Robson, S. C., Tennant, P. W., Besson, H., Rankin, J., Adamson, A.J.,…Bell, R. (2010). Objectively measured physical activity during pregnancy: A study in obese and overweight women. BMC Pregnancy Childbirth, 10, 76. Retrieved from http://www.biomedcentral.com/1471-2393/10/76
94. Meher, S., & Duley, L. (2006a, April 19). Exercise or other physical activity for preventing pre-eclampsia and its complications. Cochrane Database of Systematic Reviews, 4, CD005942-CD005942.
95. Meher, S., & Duley, L. (2006b, April 19). Rest during pregnancy for preventing pre-eclampsia and its complications in women with normal blood pressure. Cochrane Database of Systematic Reviews, 2, CD005939-CD005939.
96. Meriwether, R. A., Lee, J. A., Lafleur, A. S., & Wiseman, P. (2008). Physical activity counseling. American Family Physician, 77, 1129-1136.
97. Miller, W. R., & Rose, G. S. (2009). Toward a theory of motivational interviewing. The American Psychologist, 64, 527-537.
98. Mittelmark, R. A., & Gardin, S. K (1991). Historical perspectives. In R. A. Mittelmark, R. A. Wiswell, & B. L. Drinkwater (Eds.), Exercise in pregnancy (2nd ed., pp. 1-8). Baltimore: Williams & Wilkins.
99. Mottola, M. F. (2009). Exercise prescription for overweight and obese women: Pregnancy and postpartum. Obstetrics and Gynecology Clinics of North America, 36, 301-316.
100. Mottola, M. F., & Campbell, M. K. (2003). Activity patterns during pregnancy. Canadian Journal of Applied Physiology, 28, 642-653.
101. Ning, Y, Williams, M. A., Dempsey, J. C., Sorensen, T. K., Frederick, I. O., & Luthy, D. A. (2003). Correlates of recreational physical activity in early pregnancy. Journal ofMaternal-Fetal Neonatal Medicine, 13, 385-393.
102. Oken, E., Ning, Y, Rifas-Shiman, S. L., Radesky, J. S., Rich-Edwards, J. W., & Gillman, M. W. (2006). Associations of physical activity and inactivity before and during pregnancy with glucose tolerance. Obstetrics andGynecology, 108, 1200-1207.
103. Oken, E., Taveras, E. M., Kleinman, K P., Rich-Edwards, J. W., & Gillman, M. W. (2007). Gestational weight gain and child adiposity at age 3 years. American Journal of Obstetrics and Gynecology, 196, 322.e1-322.e8.
104. Olson, C. M., & Strawderman, M. S. (2003). Modifiable behavioral factors in a biopsychosocial model predict inadequate and excessive gestational weight gain. Journalofthe American Dietetic Association, 103, 48-54.
105. Ong, M. J., Guelfi, K J., Hunter, T., Wallman, K E., Fournier, P. A., & Newnham, J. P. (2009). Supervised home-based exercise may attenuate the decline of glucose tolerance in obese pregnant women. Diabetes Metabolism, 35, 418-421.
106. Oostdam, N., van Poppel, M. N., Eekhoff, E. M., Wouters, M. G., & van Mechelen, M. W. (2009). Design of FitFor2 study: The effects of an exercise program on insulin sensitivity and plasma glucose levels in pregnant women at high risk for gestational diabetes. BMC Pregnancy and Childbirth, 9, 1. Retrieved from http://www.biomedcentral.com/1471-2393/9/1
107. Oostdam, N., van Poppel, M. N. M., Wouters, M. G. A. J., & van Mechelen, W. (2011). Interventions for preventing gestational diabetes mellitus: A systematic review and metaanalysis. JournalofWomensHealth, 20, 1551-1563.
108. Osterdal, M. L., Strom, M., Klemmensen, A. K., Knudsen, V. K., Juhl, M., Halldorsson, T. I.,…Olsen, S. F. (2009). Does leisure time physical activity in early pregnancy protect against pre-eclampsia? Prospective cohort in Danish women. British Journal of Obstetrics and Gynaecology, 116, 98-107.
109. Ota, E., Haruna, M., Yanai, H., Suzuki, M., Anh, D. D., Matsuzaki, M.,…Murashima, S. (2008). Reliability and validity of the Vietnamese version of the Pregnancy Physical Activity Questionnaire (PPAQ). Southeast Asian Journal of Tropical Medicine and Public Health, 39, 562-570.
110. Paul, A. M. (2010). Origins: How the nine months before birth shape the rest of our lives. New York: Free Press.
111. Pate, R. R., Pratt, M., Blair, S. N., Haskell, W. L., Macera, C. A., Bouchard, C.,…King, A. C. (1995). Physical activity and public health. A recommendation from the Centers for Disease Control and Prevention and the American College of Sports Medicine. Journal of the American Medical Association, 273, 402-407.
112. Phelan, S., Phipps, M., Abrams, B., Darroch, F., Schaffner, A., & Wing, R. (2011). Randomized trial of a behavioral intervention to prevent excessive gestational weight gain: The fit for delivery study. The American Journal of Clinical Nutrition, 93, 772-779.
113. Pivarnik, J. M., Chambliss, H., Clapp, J., III, Dugan, S., Hatch, M., Lovelady, C., Williams, M. A. (2006). Impact of physical activity during pregnancy and postpartum on chronic disease risk. Medicine & Science in Sports & Exercise, 38, 989-1006.
114. Poudevigne, M. S., & O’Connor, P. J. (2005). Physical activity and mood during pregnancy. Medicine & Science in Sports & Exercise, 37, 1374-1380.
115. Ramirez-Velez, R., Aguilar de Plata, A. C., Escudero, M., Echeverry, I., Ortega, J., Salazar, B., & Lopez-Jaramillo, P. (2011). Influence of regular aerobic exercise on endothelium-dependent vasodilation and cardiorespiratory fitness in pregnant women. JournalofObstetrics & Gynaecology Research, 37, 1601-1608.
116. Rich, M., Currie, J., & McMahon, C. (2004). Physical exercise and the lactating women: A qualitative pilot study of mothers’ perceptions and experiences. BreastfeedingReview, 12, 11-17.
117. Roberts, J., Pearson, G., Cutler, J., & Lindheimer, M. (2003). Summary of the NHLBI working group on research on hypertension during pregnancy. Hypertension in Pregnancy, 22, 109-127.
118. Ronnberg, A. K., & Nilsson, K (2010). Interventions during pregnancy to reduce excessive gestational weight gain: A systematic review assessing current clinical evidence using the grading of recommendations, assessment, development and evaluation (GRADE) system. BJOG: An International Journal ofObstetrcs and Gynaecology, 117, 1327-1334.
119. Rossner, S., & Ohlin, A. (1995). Pregnancy as a risk factor for obesity: Lessons from the Stockholm pregnancy and weight development study. Obesity Research, 3(Suppl. 2), 267s-275s.
120. Rousham, E., Clarke, P., & Gross, H. (2005). Significant changes in physical activity among pregnant women in the UK as assessed by accelerometry and self-reported activity. European Journal ofClinicalNutrition, 60, 393-400.
121. Royal College of Obstetricians and Gynecologists. (2006). Exercise in pregnancy. Statement 4. Retrieved from http://www.rcog.org.uk/womens-health/clinical-guidance/exercise-pregnancy
122. Rudra, C. B., Sorensen, T. K., Luthy, D. A., & Williams, M. A. (2008). A prospective analysis of recreational physical activity and preeclampsia risk. Medicine & Science in Sports & Exercise, 40, 1581-1588.
123. Rudra, C. B., Williams, M. A., Lee, I. M., Miller, R. S., & Sorensen, T. K. (2005). Perceived exertion during prepregnancy physical activity and preeclampsia risk. Medicine & Science in Sports & Exercise, 37, 1836-1841.
124. Rutkowska, E., & Lepecka-Klusek, C. (2002). The role of physical activity in preparing women for pregnancy and delivery in Poland. Health Care Women Int^national, 23, 919-923.
125. Saftlas, A. F., Logsden-Sackett, N., Wang, W., Woolson, R., & Bracken, M. B. (2004). Work, leisure-time physical activity, and risk of preeclampsia and gestational hypertension. American Journal of Epidemiology, 160, 758-765.
126. Savitz, D., Herring, A., Mezei, G., Evenson, K., Terry, J., Jr., & Kavet, R. (2006). Physical activity and magnetic field exposure in pregnancy. Epidemiology, 17, 222-225.
127. Schmidt, M. D., Freedson, P. S., Pekow, P., Roberts, D., Sternfeld, B., & Chasan-Taber, L. (2006). Validation of the Kaiser Physical Activity Survey in pregnant women. Medicine & Science in Sports & Exercise, 38, 42-50.
128. Schramm, W. F., Stockbauer, J. W., & Hoffman, H. J. (1996). Exercise, employment, other daily activities, and adverse pregnancy outcomes. American Journal of Epidemiology, 143, 211-218.
129. Siega-Riz, A. M., Evenson, K R., & Dole, N. (2004). Pregnancy-related weight gain: A link to obesity? Nutrition Reviews, 62, S105-S111.
130. Siega-Riz, A., Viswanathan, M., Moos, M., Deierlein, A., Mumford, S., Knaack, J.,…Lohr, K (2009). A systematic review of outcomes of maternal weight gain according to the institute of medicine recommendations: Birth weight, fetal growth, and postpartum weight retention. American Journal of Obstetrics and Gynecology, 201, 339.e1-339.14.
131. Sorensen, T., Williams, M., Lee, I., Dashow, E., Thompson, M., & Luthy, D. (2003). Recreational physical activity during pregnancy and risk of preeclampsia. Hypertension, 41, 1273-1280.
132. Spinapolice, R. X., Feld, S., & Harrigan, J. T. (1983). Effective prevention of gestational hypertension in nulliparous women at high risk as identified by the rollover test. AmericanJournal of Obstetrics and Gynecology, 146, 166-168.
133. Stein, A., Rivera, J., & Pivarnik, J. (2003). Measuring energy expenditure in habitually active and sedentary pregnant women. Medicine & Science in Sports & Exercise, 35, 1441-1446.
134. Sternfeld, B. (1997). Physical activity and pregnancy outcome: Review and recommendations. Sports Medcine, 23, 33-47.
135. Sternfeld, B., Quesenberry, C. P., Eskenazi, B., & Newman, L. A. (1995). Exercise during pregnancy and pregnancy outcome. Medicine & Science in Sports & Exercise, 27, 634-640.
136. Streuling, I., Beyerlein, A., Rosenfeld, E., Hofmann, H., Schulz, T., & von Kries, R. (2011). Physical activity and gestational weight gain: A meta-analysis of intervention trials. BJOG: An International Journal of Obstetrics and Gynaecology, 118, 278-284.
137. Stuebe, A., Oken, E., & Gillman, M. (2009). Associations of diet and physical activity during pregnancy with risk for excessive gestational weight gain. AmericanJournal ofObstetrics and Gynecology, 201, 58.e1-58.e8.
138. Symons Downs, D., Feinberg M., Hillemeier, M. H., Weisman, C. S., Chase, G. A., Chuang, C. H., Francis, L. A. (2009). Design of the Central Pennsylvania Women’s Health Study (CePAWHS) strong healthy women intervention: Improving preconceptional health. Maternal and Child Health Journal, 13(1), 18-28.
139. Symons Downs, D., & Hausenblas, H. A. (2003). Pregnant women’s exercise intention and behavior: A prospective examination of the theory of planned behavior. Womens Heath Issues, 13, 222-228.
140. Symons Downs, D., & Hausenblas, H. A. (2004). Exercising during pregnancy and postpartum: An elicitation study using the framework of the theory of planned behavior. Journal of Midwifery and Women’s Health, 49, 138-144.
141. Symons Downs, D., & Hausenblas, H. A. (2007). Pregnant women’s third trimester exercise intention and behavior: Application of the theory of planned behavior. Psychology a, nd Health, 22, 545-559.
142. Symons Downs, D., Le Masurier, G., & DiNallo, J. (2009). Baby steps: Pedometer-determined and self-reported leisure-time exercise behaviors of pregnant women. Journal of Physical Activity and Health, 6, 63-72.
143. Symons Downs, D., & Ulbrecht, J. S. (2006). Understanding exercise beliefs and behaviors in women with gestational diabetes. Diabetes Care, 29, 236-240.
144. Thornton, P. L., Kieffer, E. C., Salabarria-Pena, Y, Odoms-Young, A., Willis, S. K., Kim, H.,…Salinas, M. A. (2006). Weight, diet, and physical activity-related beliefs and practices among pregnant and postpartum Latino women: The role of social support. Maternal and Child Health Journal, 10, 95-104.
145. Tobias, D., Zhang, C., van Dam, R., Bowers, K., & Hu, F. (2011). Physical activity before and during pregnancy and risk of gestational diabetes mellitus: A meta-analysis. Diabetes Care, 34, 223-229.
146. Tyldum, E. V., Romundstad, P. R., & Slordahl, S. A. (2010). Pre-pregnancy physical activity and preeclampsia risk: A prospective population-based cohort study. Acta Obstetrica et Gynecologica Scandinavica, 89, 315-320.
147. U.S. Department of Health and Human Services and Physical Activity Guidelines Advisory Committee. (2008). Physcal Activity Guidelines Advisory Committee Report, 2008. Washington, DC. Retrieved from http://www.health.gov/PAguidelines/Report/
148. van der Ploeg, H. P., van Poppel, M. N. M., Chey, T., Bauman, A., & Brown, W. (2011). The role of pre-pregnancy physical activity and sedentary behavior in the development of gestational diabetes mellitus. Journal ofScience and Medicine in Sport, 14, 149-152.
149. Vladutiu, C. J., Evenson, K R., & Marshall, S. W. (2010) Physical activity and injuries during pregnancy. Journal of Physical Activity and Health, 7, 761-769.
150. Vollebregt, K C., Wolf, H., Boer, K., van der Wal, M. F., Vrijkotte, T. G., & Bonsel, G. J. (2010). Does physical activity in leisure time early in pregnancy reduce the incidence of preeclampsia or gestational hypertension? Acta Obstetricia et Gynecobgica Scandinavica, 89, 261-267.
151. Weisman, C. A., Hillemeier, M., Symons Downs, D., Chuang, C., & Dyer, A. (2010). Preconception predictors of weight gain during pregnancy: Prospective findings from the Central Pennsylvania Women’s Health Study. Women s Health Issues, 20, 126-132.
152. Weisman, C. A., Hillemeier, M. M., Symons Downs, D., Feinberg, M., Chuang, C. H., Botti, J….Dyer, A. M. (2011). Improving women’s preconceptional health: Long-term effects of the Strong Healthy Women behavior change intervention in the Central Pennsylvania Women’s Health Study. Womens Health Issues, 21, 265-271.
153. Whitaker, R. C., Pepe, M. S., Seidel, K D., Wright, J. A., & Knopp, R. H. (1998). Gestational diabetes and the risk of offspring obesity. Pediatrics, 101, E9.
154. Wolfe, L. A., Mottola, M. F., & MacKinnon, C. (2003). Joint SOGC/CSEP clinical practice guideline: Exercise in pregnancy and the postpartum period. Canadian Journal of Applied Physiology, 28, 330-341.
155. Yeo, S., Davidge, S., Ronis, D. L., Antonakos, C. L., Hayashi, R., & O’Leary, S. (2008). A comparison of walking versus stretching exercises to reduce the incidence of preeclampsia: A randomized clinical trial. Hypertenson in Pregnancy, 27, 113-130.
156. Yeo, S., Steele, N. M., Chang, M. C., Leclaire, S. M., Ronis, D. L., & Hayashi, R. (2000). Effect of exercise on blood pressure in pregnant women with a high risk of gestational hypertensive disorders. Journal of Reproductive Medicine, 45, 293-298.
157. Zhang, C., Solomon, C. G., Manson, J. E., & Hu, F. B. (2006). A prospective study of pregravid physical activity and sedentary behaviors in relation to the risk for gestational diabetes mellitus. Archives ofInternalMedicine, 166, 543-548.