Maternal Physiology

Obstetrics: Normal and Problem Pregnancies

Volumn , Issue , 2016, Pages 38-63.e4

  Antony, Kathleen M ^a   Racusin, Diana A ^b   Aagaard, Kjersti ^b   Dildy, Gary A ^b,c  

^a UNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE AND PUBLIC HEALTH   (United States)

^b BAYLOR COLLEGE OF MEDICINE   (United States)

^c TEXAS CHILDREN S HOSPITAL   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 85130656573     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.1016/B978-0-323-32108-2.00003-2     Document Type: Chapter

References (267)

1. Committee to Reexamine IOM Pregnancy Weight Guidelines, Institute of Medicine, National Research Council KM Rasmussen., AL Yaktine Weight Gain During Pregnancy: Reexamining the Guidelines 2009 The National Academies Press Washington, D.C..
2. EP Gunderson., B Sternfeld., MF Wellons., et al. Childbearing may increase visceral adipose tissue independent of overall increase in body fat Obesity (Silver Spring) 16 5 2008 1078-1084.
3. R Pitkin Nutritional support in obstetrics and gynecology Clin Obstet Gynecol 19 3 1976 489-513.
4. B Abrams., S Selvin Maternal weight gain pattern and birth weight Ob-stet Gynecol 86 2 1995 163-169.
5. M Blomberg Maternal and neonatal outcomes among obese women with weight gain below the new Institute of Medicine recommendations Obstet Gynecol 117 5 2011 1065-1070.
6. MA Kominiarek., NS Seligman., C Dolin., et al. Gestational weight gain and obesity: is 20 pounds too much? Am J Obstet Gynecol 209 3 2013 214 e1-214 e11.
7. OM Turan., C De Paco., N Kametas., A Khaw., KH Nicolaides Effect of parity on maternal cardiac function during the first trimester of pregnancy Ultrasound Obstet Gynecol 32 7 2008 849-854.
8. AC Van Oppen., RH Stigter., HW Bruinse Cardiac output in normal pregnancy: a critical review Obstet Gynecol 87 1996 310-318.
9. SC Robson., S Hunter., RJ Boys., W Dunlop Serial study of factors influencing changes in cardiac output during human pregnancy Am J Physiol 256 4 Pt 2 1989 H1060-H1065.
10. DK Desai., J Moodley., DP Naidoo Echocardiographic assessment of cardiovascular hemodynamics in normal pregnancy Obstet Gynecol 104 1 2004 20-29.
11. M Sanghavi., JD Rutherford Cardiovascular physiology of pregnancy Circulation 130 12 2014 1003-1008.
12. CA Snijder., T Brand., V Jaddoe., et al. Physically demanding work, fetal growth and the risk of adverse birth outcomes. The Generation R Study Occup Environ Med 69 8 2012 543-550.
13. I MacGillivray., GA Rose., B Rowe Blood pressure survey in pregnancy Clin Sci 37 2 1969 395-407.
14. NF Gant., GL Daley., S Chand., PJ Whalley., PC Macdonald A study of angiotensin ii pressor response throughout primigravid pregnancy J Clin Invest. 52 November 1973 2682-2689.
15. AA Mahendru., TR Everett., IB Wilkinson., CC Lees., CM McEniery A longitudinal study of maternal cardiovascular function from preconception to the postpartum period J Hypertens 32 4 2014 849-856.
16. M De Swiet Blood pressure measurement in pregnancy Br J Obstet Gynaecol 103 1996 862-863.
17. M Zinaman., J Rubin., MD Lindheimer Serial plasma oncotic pressure levels and echoencephalography during and after delivery in severe preeclampsia Lancet 1 1985 1245-1247.
18. R Crapo Normal cardiopulmonary physiology during pregnancy Clin Obstet Gynecol 39 1 1996 3-16.
19. A Roth., U Elkayam Acute myocardial infarction associated with pregnancy J Am Coll Cardiol 52 3 2008 171-180.
20. W Lee., R Rokey., J Miller., DB Cotton Maternal hemodynamic effects of uterine contractions by M-mode and pulsed-Doppler echocardiography Am J Obstet Gynecol 161 4 1989 974-977.
21. SC Robson., RJ Boys., S Hunter., W Dunlop Maternal hemodynamics after normal delivery and delivery complicated by postpartum hemorrhage Obstet Gynecol 74 2 1989 234-239.
22. A Shotan., E Ostrzega., A Mehra., J Johnson V., U Elkayam Incidence of Arrhythmias in Normal Pregnancy and Relation to Palpitations Am J Cardiol 79 8 1997 1061-1064.
23. MP Little., P Brocard., P Elliott., PJ Steer Hemoglobin concentration in pregnancy and perinatal mortality: a London-based cohort study Am J Obstet Gynecol 193 1 2005 220-226.
24. J Pritchard., R Baldwin., J Dickey Blood volume changes in pregnancy and the puerperium, II. Red blood cell loss and changes in apparent blood volume during and following vaginal delivery, cesarean section, and cesarean section plus total hysterectomy Am J Obstet Gynecol 84 10 1962 1271.
25. BA Haider., I Olofin, Wang M., D Spiegelman., M Ezzati., WW Fawzi Anaemia, prenatal iron use, and risk of adverse pregnancy outcomes: systematic review and meta-analysis BMJ 346 June 2013 f3443.
26. R Pitkin., D Witte Platelet and Leukocyte Counts in Pregnancy J Am Med Assoc 242 1979 2696-2698.
27. R Burrows., J Kelton Incidentally detected thrombocytopenia in healthy mothers and their infants N Engl J Med 319 1988 142-145.
28. KB Lescale., KA Eddleman., DB Cines., et al. Antiplatelet antibody testing in thrombocytopenic pregnant women Am J Obstet Gynecol 174 3 1996 1014-1018.
29. F Boehlen., P Hohlfeld., P Extermann., TV Perneger., P de Moerloose Platelet count at term pregnancy: a reappraisal of the threshold Obstet Gynecol 95 1 2000 29-33.
30. A Vincelot., N Nathan., D Collet., Y Mehaddi., P Grandchamp., A Julia Platelet function during pregnancy: an evaluation using the PFA-100 analyser Br J Anaesth 87 6 2001 890-893 Available at http://www.ncbi.nlm.nih.gov/pubmed/11878692.
31. R Pitkin., D Witte Platelet and leukocyte counts in pregnancy JAMA 242 1979 2696-2698.
32. P Clark., J Brennand., JA Conkie., F Mccall., IA Greer., ID Walker Activated protein C sensitivity, protein C, protein S and coagulation in normal pregnancy Thromb Haemost 79 1998 1166-1170.
33. American College of Obstetricians and Gynecologists Practice Bulletin Number 138: Inherited Thrombophilias in Pregnancy Obstet Gynecol 122 3 2013 706-717.
34. A Molvarec., J Rigó., T Bõze., et al. Increased plasma von Willebrand factor antigen levels but normal von Willebrand factor cleaving protease (ADAMTS13) activity in preeclampsia Thromb Haemost 101 2 2009 305-311.
35. JS Hill., G Devenie., M Powell Point-of-care testing of coagulation and fibrinolytic status during postpartum haemorrhage: developing a thrombelastography®-guided transfusion algorithm Anaesth Intensive Care 40 6 2012 1007-1015 Available at http://www.ncbi.nlm.nih.gov/pubmed/23194210.
36. SK Sharma., J Philip., J Wiley Thromboelastographic changes in healthy parturients and postpartum women Anesth Analg 85 1997 94-98.
37. O Karlsson., T Sporrong., A Hillarp., A Jeppsson., M Hellgren Prospective longitudinal study of thromboelastography and standard hemostatic laboratory tests in healthy women during normal pregnancy Anesth Analg 115 4 2012 890-898.
38. S Pilkington., F Carli., MJ Dakin., et al. Increase in Mallampati score during pregnancy Br J Anaesth 74 6 1995 638-642.
39. B Izci., RL Riha., SE Martin., et al. The upper airway in pregnancy and pre-eclampsia Am J Respir Crit Care Med 167 2 2003 137-140.
40. HM Harirah., SE Donia., FK Nasrallah., GR Saade., MA Belfort Effect of gestational age and position on peak expiratory flow rate: a longitudinal study Obstet Gynecol 105 2 2005 372-376.
41. G Grindheim., K Toska., M-E Estensen., L Rosseland Changes in pulmonary function during pregnancy: a longitudinal cohort study Br J Obstet Gynaecol 119 1 2012 94-101.
42. RJ Awe., B Nicotra., TD Newson., R Viles Arterial oxygenation and alveolar-arterial gradients in term pregnancy Obstet Gynecol 53 1979 182-186.
43. KA Lee., ME Zaffke., G McEnany Parity and sleep patterns during and after pregnancy Obstet Gynecol 95 2000 14-18.
44. JM Louis., D Auckley., RJ Sokol., BM Mercer Maternal and neonatal morbidities associated with obstructive sleep apnea complicating pregnancy Am J Obstet Gynecol 202 3 2010 261 e1-261 e5.
45. FL Facco., J Kramer., KH Ho., PC Zee., WA Grobman Sleep disturbances in pregnancy Obstet Gynecol 115 1 2010 77-83.
46. FL Facco, Ouyang DW., PC Zee., W Grobman Development of a pregnancy-specific screening tool for sleep apnea J Clin Sleep Med 8 4 2012 389-394.
47. C Guilleminault., L Palombini., D Poyares., S Takaoka., NT Huynh., Y El-Sayed Pre-eclampsia and nasal CPAP: part 1. Early intervention with nasal CPAP in pregnant women with risk-factors for pre-eclampsia: preliminary findings Sleep Med 9 1 2007 9-14.
48. MT Uglane., S Westad., B Backe Restless legs syndrome in pregnancy is a frequent disorder with a good prognosis Acta Obstet Gynecol Scand 90 9 2011 1046-1048.
49. A Fried., J Woodring., D Thompson Hydronephrosis of pregnancy: a prospective sequential study of the course of dilatation J Ultrasound Med 2 1983 255.
50. F Smaill., J Vazquez Antibiotics for asymptomatic bacteriuria in pregnancy (Review) Cochrane Database Syst Rev 18 2 2007 CD000490.
51. M Lindheimer., J Davison., A Katz The kidney and hypertension in pregnancy: Twenty exciting years Semin Nephrol 21 2001 173-189.
52. LC Castro., CJ Hobel., J Gornbein Plasma levels of atrial natriuretic peptide in normal and hypertensive pregnancies: A meta-analysis Am J Obstet Gynecol 171 December 1994 1642-1651.
53. M Lindheimer., D Richardson., E Ehrlich Potassium homeostasis in pregnancy J Reprod Med 32 1987 517.
54. P Klein., D Polidori., O Twito., A Jaffe Impaired decline in renal threshold for glucose during pregnancy-a possible novel mechanism for gestational diabetes mellitus Diabetes Metab Res Rev 30 4 2014 140-145.
55. K Higby., CR Suiter., JY Phelps., T Siler-Khodr., O Langer Normal values of urinary albumin and total protein excretion during pregnancy Am J Obstet Gynecol 171 4 1994 984-989.
56. KP Conrad., IE Stillman., MD Lindheimer The kidney in normal pregnancy and preeclampsia RN Taylor., JM Roberts. FG Cunningham, MD Lindheimer Chesley’s Hypertensive Disorders in Pregnancy 4th ed 2014 Academic Press New York 335-378.
57. M Gordon., MB Landon., P Samuels., S Hissrich., SG Gabbe Perinatal outcome and long-term follow-up associated with modern management of diabetic nephropathy Obstet Gynecol 87 3 1996 401-409.
58. JJ Duvekot., EC Cheriex., FA Pieters., PP Menheere., LH Peeters Early pregnancy changes in hemodynamics and volume homeostasis are consecutive adjustments triggered by a primary fall in systemic vascular tone Am J Obstet Gynecol 169 6 1993 1382-1392.
59. AB Hameed., K Chan., M Ghamsary., U Elkayam Longitudinal changes in the B-type natriuretic peptide levels in normal pregnancy and postpartum Clin Cardiol 32 8 2009 E60-E62.
60. LC Gilstrap., FG Cunningham., PJ Whalley Acute pyelonephritis in pregnancy: an anterospective study Obstet Gynecol 57 4 1981 409-413.
61. L Viktrup., G Rortveit., G Lose Risk of stress urinary incontinence twelve years after the first pregnancy and delivery Obstet Gynecol 108 2 2006 248-254.
62. American College of Obstetricians and Gynecologists Committee opinion number 569: oral health care during pregnancy and through the lifespan Obstet Gynecol 122 2 2013 417-422.
63. S Shah., L Nathan., R Singh, Fu YS., G Chaudhuri E2 and not P4 increases NO release from NANC nerves of the gastrointestinal tract: implications in pregnancy Am J Physiol Regul Integr Comp Physiol 280 2001 R1546-R1554.
64. The American College of Obstetricians and Gynecologists ACOG practice bulletin no. 105: bariatric surgery and pregnancy Obstet Gynecol 113 6 2009 1405-1413.
65. FJ Kern., GT Everson., B DeMark., et al. Biliary lipids, bile acids, and gallbladder function in the human female J Clin Invest 68 1981 1229-1242.
66. DJ Angelini Gallbladder and pancreatic disease during pregnancy J Perinat Neonatal Nurs 15 4 2002 1-12.
67. C Arthur., K Mahomed Intrahepatic cholestasis of pregnancy: diagnosis and management; a survey of Royal Australian and New Zealand College of Obstetrics and Gynaecology fellows Aust N Z J Obstet Gynaecol 54 3 2014 263-267.
68. EC Furneaux., AJ Langley-Evans., SC Langley-Evans Nausea and vomiting of pregnancy Obstet Gynecol Surv 56 12 2001 775-782.
69. D Glinoer The regulation of thyroid function in pregnancy: pathways of endocrine adaptation from physiology Endocr Rev 18 3 2014 404-433.
70. RH Lee., CA Spencer., JH Mestman., et al. Free T4 immunoassays are flawed during pregnancy Am J Obstet Gynecol 200 3 2009 260.e1-260.e6.
71. K Mehdizadehkashi., S Chaichian., A Mehdizadehkashi., et al. Visual acuity changes during pregnancy and postpartum: a cross-sectional study in Iran J Pregnancy 2014 2014 675792.
72. K Aagaard., K Riehle, Ma J., et al. A metagenomic approach to characterization of the vaginal microbiome signature in pregnancy PLoS ONE 7 6 2012 e36466.
73. RM Calvo., E Jauniaux., B Gulbis., et al. Fetal tissues are exposed to biologically relevant free thyroxine concentrations during early phases of development J Clin Endocrinol Metab 87 4 2002 1768-1777.
74. JE Haddow., GE Palomaki., WC Allan., et al. Maternal thyroid deficiency during pregnancy and subsequent neuropsychological development of the child N Engl J Med 341 8 1999 549-555.
75. Institute of Medicine Committee on the Scientific Evaluation of Dietary Reference Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, and Zinc 2001 National Academies Press.
76. WE Nolten., MD Lindheimer., S Oparil., EN Ehrlich Desoxycorticosterone in normal pregnancy. I. Sequential studies of the secretory patterns of desoxycorticosterone, aldosterone, and cortisol Am J Obstet Gynecol 132 4 1978 414-420.
77. AH Tessnow., JD Wilson The changing face of Sheehan’s syndrome Am J Med Sci 340 5 2010 402-406.
78. D Prager., GD Braunstein Pituitary disorders during pregnancy Endocrinol Metab Clin North Am 24 1 1995 1-14.
79. RL Phelps., BE Metzger., N Freinkel Carbohydrate metabolism in pregnancy. XVII. Diurnal profiles of plasma glucose, insulin, free fatty acids, triglycerides, cholesterol, and individual amino acids in late normal pregnancy Am J Obstet Gynecol 140 7 1981 730-736.
80. FG Cunningham., KJ Leveno., SL Bloom., JC Hauth., DJ Rouse., CY Spong 23rd Edition Williams Obstetrics 2010 New York: McGraw-Hilll.
81. CS Kovacs., HM Kronenberg Maternal-fetal calcium and bone metabolism during pregnancy, puerperium, and lactation Endocr Rev 18 6 1997 832-872.
82. ML Mulligan., SK Felton., AE Riek., C Bernal-Mizrachi Implications of vitamin D deficiency in pregnancy and lactation Am J Obstet Gynecol 202 5 2010 429.e1-429.e9.
83. MH Ensom, Liu PY., MD Stephenson Effect of pregnancy on bone mineral density in healthy women Obstet Gynecol Surv 57 2 2002 99-111.
84. C Nelson-Piercy., EA Letsky., M de Swiet Low-molecular-weight heparin for obstetric thromboprophylaxis: experience of sixty-nine pregnancies in sixty-one women at high risk Am J Obstet Gynecol 176 5 1997 1062-1068.
85. MM Muallem., NG Rubeiz Physiological and biological skin changes in pregnancy Clin Dermatol 24 2 2006 80-83.
86. WT Delfyett., DT Fetzer Imaging of neurologic conditions during pregnancy and the perinatal period Neurol Clin 30 3 2012 791-822.
87. M Millodot The influence of pregnancy on the sensitivity of the cornea Br J Ophthalmol 61 1977 646-649.
88. I Horven., H Gjonnaess Corneal indentation pulse and intraocular pressure in pregnancy Arch Ophthalmol 91 1974 92-98.
89. MA Farage., HI Maibach Morphology and physiological changes of genital skin and mucous membranes Curr Probl Dermatol 40 2011 9-19.
90. ER Boskey., RA Cone., KJ Whaley., TR Moench Origins of vaginal acidity: high D/L lactate ratio is consistent with bacteria being the primary source Hum Reprod 16 9 2001 1809-1813 Available at http://www.ncbi.nlm.nih.gov/pubmed/11527880.
91. C Hernández-Rodríguez., R Romero-González., M Albani-Campanario., R Figueroa-Damián., N Meraz-Cruz., C Hernández-Guerrero Vaginal microbiota of healthy pregnant Mexican women is constituted by four Lactobacillus species and several vaginosis-associated bacteria Infect Dis Obstet Gynecol 2011 2011 article 851485.
92. R Romero., SS Hassan., P Gajer., et al. The composition and stability of the vaginal microbiota of normal pregnant women is different from that of non-pregnant women Microbiome 2 1 2014 4.
93. P Leppert Anatomy and physiology of cervical ripening Clin Obstet Gynecol 38 2 1995 267-279.
94. N Becher., M Hein., CC Danielsen., N Uldbjerg Matrix metalloproteinases in the cervical mucus plug in relation to gestational age, plug compartment, and preterm labor Reprod Biol Endocrinol 8 2010 113.
95. The Human Microbiome Project Consortium Structure, function and diversity of the healthy human microbiome Nature 486 7402 2012 207-214.
96. K Aagaard., J Petrosino., W Keitel., et al. The Human Microbiome Project strategy for comprehensive sampling of the human microbiome and why it matters FASEB J 27 3 2013 1012-1022.
97. K Aagaard, Ma J., KM Antony., R Ganu., J Petrosino., J Versalovic The placenta harbors a unique microbiome Sci Transl Med 6 237 2014 237ra65.
98. J Atashili., C Poole., PM Ndumbe., AA Adimora., JS Smith Bacterial vaginosis and HIV acquisition: a meta-analysis of published studies AIDS 22 12 2008 1493-1501.
99. SL Hillier., RP Nugent., DA Eschenbach., et al. Association between bacterial vaginosis and preterm delivery of a low-birth-weight infant. The Vaginal Infections and Prematurity Study Group N Engl J Med 333 26 1995 1737-1742.
100. RD Pridmore., B Berger., F Desiere., et al. The genome sequence of the probiotic intestinal bacterium Lactobacillus johnsonii NCC 533 Proc Natl Acad Sci U S A 101 8 2004 2512-2517.
101. D Pantoflickova., I Corthesy-Theulaz., G Dorta., et al. Favourable effect of regular intake of fermented milk containing Lactobacillus johnsonii on Helicobacter pylori associated gastritis Aliment Pharmacol Ther 18 2003 805-813.
102. MJ Stout., B Conlon., M Landeau., et al. Identification of intracellular bacteria in the basal plate of the human placenta in term and preterm gestations Am J Obstet Gynecol 208 3 2013 226.e1-226.e7.
103. CA Combs., M Gravett., TJ Garite., et al. Amniotic fluid infection, inflammation, and colonization in preterm labor with intact membranes Am J Obstet Gynecol 210 2 2014 125.e1-125.e15.
104. KB Fortner., CA Grotegut., CE Ransom., et al. Bacteria localization and chorion thinning among preterm premature rupture of membranes PLoS ONE 9 1 2014 e83338.
105. S Carmichael., B Abrams., S Selvin The association of pattern of maternal weight gain with length of gestation and risk of spontaneous preterm delivery Paediatr Perinat Epidemiol 11 4 1997 392-406 Available at http://www.ncbi.nlm.nih.gov/pubmed/9373862.
106. M Eghbali, Wang Y., L Toro., E Stefani Heart hypertrophy during pregnancy: a better functioning heart? Trends Cardiovasc Med 16 8 2006 285-291.
107. F Hytten., G Chamberlain Clinical Physiology in Obstetrics 1991 Blackwell Scientific Oxford.
108. F Hytten., I Leitch The Physiology of Human Pregnancy 2nd ed 1971 Blackwell Scientific Oxford.
109. Institute of Medicine, Subcomittee on Nutritional Status and Weight Gain during Pregnancy Nutrition during Pregnancy 1990 National Academy of Sciences Washington, D.C..
110. E Oken., KP Kleinman., MB Belfort., JK Hammitt., MW Gillman Associations of gestational weight gain with short-and longer-term maternal and child health outcomes Am J Epidemiol 170 2 2009 173-180.
111. A Sohlström., E Forsum Changes in adipose tissue volume and distribution during reproduction in Swedish women as assessed by magnetic resonance imaging Am J Clin Nutr 61 2 1995 287-295.
112. NR Taggart., RM Holliday., WZ Billewicz., FE Hytten., AM Thomson Changes in skinfolds during pregnancy Br J Nutr 21 2 1967 439-451.
113. S Hunter., SC Robson Adaptation of the maternal heart in pregnancy Br Hear J 68 1992 540-543.
114. N Kametas Maternal cardiac function in twin pregnancy Obstet Gynecol 102 4 2003 806-815.
115. NA Kametas., F McAuliffe., J Hancock., J Chambers., KH Nicolaides Maternal left ventricular mass and diastolic function during pregnancy Ultrasound Obstet Gynecol 18 5 2001 460-466.
116. MG Kerr The mechanical effects of the gravid uterus in late pregnancy J Obstet Gynaecol Br Commonw 72 1965 513-529.
117. SM Lanni., J Tillinghast., HM Silver Hemodynamic changes and baroreflex gain in the supine hypotensive syndrome Am J Obstet Gynecol 187 6 2002 1636-1641.
118. MR Skilton., A Serusclat., LM Begg., et al. Parity and carotid atherosclerosis in men and women: insights into the roles of childbearing and child-rearing stroke Stroke 40 4 2009 1152-1157.
119. M Fujime., T Tomimatsu., Y Okaue., et al. Central aortic blood pressure and augmentation index during normal pregnancy Hypertens Res 35 6 2012 633-638.
120. JP Granger Maternal and fetal adaptations during pregnancy: lessons in regulatory and integrative physiology Am J Physiol Regul Integr Comp Physiol 283 2002 R1289-R1292.
121. G Grindheim., M-E Estensen., E Langesaeter., LA Rosseland., K Toska Changes in blood pressure during healthy pregnancy: a longitudinal cohort study J Hypertens 30 2 2012 342-350.
122. C Lo., RS Taylor., G Gamble., L McCowan., RA North Use of automated home blood pressure monitoring in pregnancy: is it safe? Am J Obstet Gynecol 187 5 2002 1321-1328.
123. CE McClennan Antecubital and femoral venous pressure in normal and toxemic pregnancy Am J Obstet Gynecol 45 1943 568-590.
124. V Nama., TF Antonios., J Onwude., IT Manyonda Mid-trimester blood pressure drop in normal pregnancy: myth or reality? J Hypertens 29 4 2011 763-768.
125. SC Robson., W Dunlop., RJ Boys., S Hunter Cardiac output during labour Br Med J 295 November 1987 1169-1172.
126. K Ueland., JM Hansen Maternal cardiovascular dynamics. 3. Labor and delivery under local and caudal analgesia Am J Obstet Gynecol 103 1 1969 8-18.
127. A Romem., Y Romem., M Katz., A Battler Incidence and characteristics of maternal cardiac arrhythmias during labor Am J Cardiol 93 7 2004 931-933.
128. CK Silversides., L Harris., K Haberer., M Sermer., JM Colman., SC Siu Recurrence rates of arrhythmias during pregnancy in women with previous tachyarrhythmia and impact on fetal and neonatal outcomes Am J Cardiol 97 8 2006 1206-1212.
129. W Abraham., R Schrier Body fluid volume regulation in health and disease Adv Intern Med 39 1994 23-47.
130. N Milman., N Graudal., O Nielsen., A Agger Serum erythropoietin during normal pregnancy: relationship to hemoglobin and iron status markers and impact of iron supplementation in a longitudinal, placebo-controlled study on 118 women Int J Hematol 66 2 1997 159-168.
131. J Pritchard Changes in blood volume during pregnancy and delivery Anesthesiology 26 4 1965 393-399.
132. DB Acker., MP Johnson., BP Sachs., EA Friedman The leukocyte count in labor Am J Obstet Gynecol 153 1985 737-739.
133. BN Ajzenberg., M Dreyfus., J Yvart., B Weill., G Tchernia Pregnancy-associated thrombocytopenia revisited: assessment and follow-up of 50 cases Blood 92 12 1998 4573-4580.
134. LH Allen Anemia and iron deficiency: effects on pregnancy outcome Am J Clin Nutr 71 suppl 2000 1280S-1284S.
135. KM Antony., R Mansouri., M Arndt., et al. Establishing thromboelastrography and platelet-function analyzer reference ranges and other measures in healthy term pregnant women Am J Perinatol 32 2015 545-554.
136. JR Davies., R Fernando., SP Hallworth Hemostatic function in healthy pregnant and preeclamptic women: an assessment using the platelet function analyzer (PFA-100) and thromboelastograph Anesth Analg 104 2 2007 416-420.
137. J McFee Iron metabolism and iron deficiency during pregnancy Clin Obstet Gynecol 22 4 1979 799-808.
138. JR O’Brien Letter: Platelet counts in normal pregnancy J Clin Pathol 29 2 1976 174.
139. S Sejeny., R Eastham., S Baker Platelet counts during normal pregnancy J Clin Pathol 28 April 1975 812-813.
140. B Svanberg., B Arvidsson., A Norrby., G Rybo., L Solvell Absorption of supplemental iron during pregnancy-a longitudinal study with repeated bone-marrow studies and absorption measurements Acta Obstet Gynecol Scand Suppl 48 1975 87-108.
141. Yi S-W., Han Y-J., H Ohrr Anemia before pregnancy and risk of preterm birth, low birth weight and small-for-gestational-age birth in Korean women Eur J Clin Nutr 67 4 2013 337-342.
142. U Cammerer., W Dietrich., T Rampf., SL Braun., JA Richter The predictive value of modified computerized thromboelastography and platelet function analysis for postoperative blood loss in routine cardiac surgery Anesth Analg 96 2003 51-57.
143. G Della Rocca., T Dogareschi., T Cecconet., et al. Coagulation assessment in normal pregnancy: thrombelastography with citrated non activated samples Minerva Anestesiol 78 12 2012 1357-1364 Available at http://www.ncbi.nlm.nih.gov/pubmed/22858878.
144. W Faught., P Garner., G Jones., B Ivey Changes in protein C and protein S levels in normal pregnancy Am J Obstet Gynecol 172 1 Pt 1 1995 147-150.
145. F Gerbasi., S Bottoms., A Farag., E Mammen Increased intravascular coagulation associated with pregnancy Obstet Gynecol 75 3 1990 385-389.
146. AJ Goodwin., FR Rosendaal., K Kottke-Marchant., EG Bovill A review of the technical, diagnostic, and epidemiologic considerations for protein S assays Arch Pathol Lab Med 126 November 2002 1349-1366.
147. A Kupesiz., M Rajpurkar., I Warrier., et al. Tissue plasminogen activator induced fibrinolysis: standardization of method using thromboelastography Blood Coagul Fibrinolysis 21 4 2010 320-324.
148. G Lockitch Clinical biochemistry of pregnancy Crit Rev Clin Lab Sci 34 1 1997 67-139.
149. B Macafee., JP Campbell., K Ashpole., et al. Reference ranges for thromboelastography (TEG(®)) and traditional coagulation tests in term parturients undergoing caesarean section under spinal anaesthesia Anaesthesia 67 7 2012 741-747.
150. F Polak., I Kolnikova., M Lips., A Parizek., J Blaha., M Stritesky New recommendations for thromboelastography reference ranges for pregnant women Thromb Res 128 4 2011 e14-e17.
151. AH Stammers., NL Bruda., C Gonano., T Hartmann Point-of-care coagulation monitoring: applications of the thromboelastography Anaesthesia 53 suppl 2 1998 58-59 Available at http://www.ncbi.nlm.nih.gov/pubmed/9659071.
152. Zhang D., Xiao J., Huang H., et al. Von Willebrand factor antigen and ADAMTS13 activity assay in pregnant women and severe preeclamptic patients J Huazhong Univ Sci Technolog Med Sci 30 6 2010 777-780.
153. M Bende., T Gredmark Nasal stuffiness during pregnancy Laryngoscope 109 1999 1108-1110.
154. P Biro Difficult intubation in pregnancy Curr Opin Anaesthesiol 24 3 2011 249-254.
155. LR Brancazio., SA Laifer., T Schwartz Peak expiratory flow rate in normal pregnancy Obstet Gynecol 89 3 1997 383-386.
156. K Cornthwaite., K Varadharajan., M Oyarzabal., H Watson Management of prolonged epistaxis in pregnancy: case report J Laryngol Otol 127 8 2013 811-813.
157. R Gilroy., B Mangura., M Lavietes Rib cage and abdominal volume displacements during breathing in pregnancy Am Rev Respir Dis 137 3 1988 668-672.
158. M Hagerdal., C Morgan., A Sumner., B Gutsche Minute ventilation and oxygen consumption during labor with epidural analgesia Anesthesiology 59 5 1983 425-427.
159. H Lucius., H Gahlenbeck., HO Kleine., H Fabel., H Bartels Respiratory functions, buffer system, and electrolyte concentrations of blood during human pregnancy Respir Physiol 9 1970 311-317.
160. F Mcauliffe., N Kametas., J Espinoza Respiratory function in pregnancy at sea level and at high altitude Br J Obstet Gynaecol 111 April 2004 311-315.
161. SH McClelland., DG Bogod., JG Hardman Pre-oxygenation and apnoea in pregnancy: changes during labour and with obstetric morbidity in a computational simulation Anaesthesia 64 4 2009 371-377.
162. K Spiropoulos., E Prodromaki., V Tsapanos Effect of body position on PaO2 and PaCO2 during pregnancy Gynecol Obstet Invest 58 1 2004 22-25.
163. American Academy of Sleep Medicine International Classification of Sleep Disorders, Revised: Diagnostic and Coding Manual 2001 Illinois Chicago 297; 300.
164. KM Antony., A Agrawal., ME Arndt., et al. Association of adverse perinatal outcomes with screening measures of obstructive sleep apnea J Perinatol Press 34 2014 441-448.
165. KM Antony., A Agrawal., ME Arndt., et al. Obstructive sleep apnea in pregnancy: reliability of prevalence and prediction estimates J Perinatol 34 8 2014 587-593.
166. G Bourjeily., CA Raker., M Chalhoub., MA Miller Pregnancy and fetal outcomes of symptoms of sleep-disordered breathing Eur Respir J 36 4 2010 849-855.
167. Chen YH., Kang JH., Lin CC., Wang IT., JJ Keller, Lin HC Obstructive sleep apnea and the risk of adverse pregnancy outcomes Am J Obstet Gynecol 206 2 2012 136 e1-136 e5.
168. G Connolly., AR Razak., A Hayanga., A Russell., P McKenna., WT McNicholas Inspiratory flow limitation during sleep in pre-eclampsia: comparison with normal pregnant and nonpregnant women Eur Respir J 18 4 2001 672-676.
169. M Dostal., C Weber-Schoendorfer., J Sobesky., C Schaefer Pregnancy outcome following use of levodopa, pramipexole, ropinirole, and rotigotine for restless legs syndrome during pregnancy: a case series Eur J Neurol 20 9 2013 1241-1246.
170. J Louis., D Auckley., B Miladinovic., et al. Perinatal outcomes associated with obstructive sleep apnea in obese pregnant women Obstet Gynecol 120 2012 1085-1092.
171. SA Olivarez., M Ferres., K Antony., et al. Obstructive sleep apnea screening in pregnancy, perinatal outcomes, and impact of maternal obesity Am J Perinatol 28 8 2011 651-658.
172. F Sagheer., C Venkata., SB Venkateshiah A 26-year-old pregnant woman with fatigue and excessive daytime sleepiness. Moderate obstructive sleep apnea-hypopnea syndrome in pregnancy Chest 134 3 2008 637-639.
173. C Venkata., SB Venkateshiah Sleep-disordered breathing during pregnancy J Am Board Fam Med 22 2 2009 158-168.
174. D Yinon., L Lowenstein., S Suraya., et al. Pre-eclampsia is associated with sleep-disordered breathing and endothelial dysfunction Eur Respir J 27 2 2006 328-333.
175. SR Abram., BT Alexander., WA Bennett., JP Granger Role of neuronal nitric oxide synthase in mediating renal hemodynamic changes during pregnancy Am J Physiol Regul Integr Comp Physiol 281 2001 R1390-R1393.
176. FA Almeida., MV Pavan., CI Rodrigues The haemodynamic, renal excretory and hormonal changes induced by resting in the left lateral position in normal pregnant women during late gestation Br J Obstet Gynaecol 116 13 2009 1749-1754.
177. C Baylis Relaxin may be the “elusive” renal vasodilatory agent of normal pregnancy Am J Kidney Dis 34 6 1999 1142-1144 discussion 1144-1145.
178. K Bramham., CE Poli-de-Figueiredo., PT Seed., et al. Association of proteinuria threshold in pre-eclampsia with maternal and perinatal outcomes: a nested case control cohort of high risk women PLoS ONE 8 10 2013 e76083.
179. CK Cheung, Lao T., R Swaminathan Urinary excretion of some proteins and enzymes during normal pregnancy Clin Chem 35 9 1989 1978-1980.
180. P Christensen Tubular reabsorption of glucose during pregnancy Scand J Clin Lab Invest 10 1958 364-371.
181. LA Danielson., OD Sherwood., KP Conrad Relaxin is a potent renal vasodilator in conscious rats J Clin Invest 103 4 1999 525-533.
182. JM Davison The effect of pregnancy on kidney function in renal allograft recipients Kidney Int 27 1 1985 74-79.
183. J Davison., F Hytten The effect of pregnancy on the renal handling of glucose Br J Obstet Gynaecol 82 1975 374.
184. J Davison., C Lovandale The excretion of glucose during normal pregnancy and after delivery J Obstet Gynaecol Br Commonw 81 1974 30-34.
185. JM Davison., F Noble Glomerular filtration during and after pregnancy J Obstet Gynaecol Br Commonw 81 1974 588.
186. H Drexel., S Sailer Kinetics of glucose handling in renal glucosuria during pregnancy Klin Wochenschr 58 23 1980 1299-1306.
187. C Durnwald A prospective comparison of total protein/creatinine ratio versus 24-hour urine protein in women with suspected preeclampsia Am J Obstet Gynecol 189 3 2003 848-852.
188. E Kass E Quinn., E Kass The role of asymptomatic bacteriuria in the pathogenesis of pyelonephritis 1960 Little Brown and Co Boston 399-412.
189. T Lind., K Godfrey., H Otun Changes in serum uric acid concentrations during normal pregnancy Br J Obstet Gynaecol 91 1984 128.
190. HP Schobel Pregnancy induced alterations in renal function Kidney Blood Press Res 21 2-4 1998 274-276.
191. IM Bernstein., W Ziegler., GJ Badger Plasma volume expansion in early pregnancy Obstet Gynecol 97 5 Pt 1 2001 669-672 Available at http://www.ncbi.nlm.nih.gov/pubmed/11339913.
192. AS El-Hennawy., T Bassi., N Koradia., A Bocirnea Transient gestational diabetes insipidus: report of two cases and review of pathophysiology and treatment J Matern Fetal Neonatal Med 14 5 2003 349-352.
193. C Borghi., DD Esposti., V Immordino., et al. Relationship of systemic hemodynamics, left ventricular structure and function, and plasma natriuretic peptide concentrations during pregnancy complicated by preeclampsia Am J Obstet Gynecol 183 1 2000 140-147.
194. A Elsheikh., G Creatsas., G Mastorakos., S Milingos., D Loutradis., S Michalas The renin-aldosterone system during normal and hypertensive pregnancy Arch Gynecol Obstet 264 4 2001 182-185.
195. P Fiadjoe., K Kannan., A Rane Maternal urological problems in pregnancy Eur J Obstet Gynecol Reprod Biol 152 1 2010 13-17.
196. SL Stanton., R Kerr-Wilson., VG Harris The incidence of urological symptoms in normal pregnancy Br J Obstet Gynaecol 87 10 1980 897-900.
197. S Offenbacher., V Katz., G Fertik., et al. Periodontal infection as a possible risk factor for preterm low birth weight J Periodontol 67 10 suppl 1996 1103-1113.
198. AM Thomson., E Hytten Calorie requirements in human pregnancy Proc Nutr Soc 2 1961 76-83.
199. M Van Dinter Ptyalism in Pregnant Women J Obstet Gynecol Neonatal Nurs 3 1990 206-209.
200. AG Macfie., AD Magides., MN Richmond., CS Reilly Gastric emptying in pregnancy Br J Anaesth 67 1 1991 54-57.
201. CA Wong., RJ McCarthy., PC Fitzgerald., K Raikoff., MJ Avram Gastric emptying of water in obese pregnant women at term Anesth Analg 105 3 2007 751-755.
202. ES Bonapace., RS Fisher Constipation and diarrhea in pregnancy Gastroenterol Clin North Am 27 1 1998 197-211.
203. E Derbyshire., J Davies., V Costarelli., P Dettmar Diet, physical inactivity and the prevalence of constipation throughout and after pregnancy Matern Child Nutr 2 3 2006 127-134.
204. JF Mission., NE Marshall., AB Caughey Obesity in pregnancy: A big problem and getting bigger Obstet Gynecol Surv 68 5 2013 389-399.
205. E Parry., R Shields., AC Turnbull The effect of pregnancy on the colonic absorption of sodium, potassium and water J Obstet Gynaecol Br Commonw 77 7 1970 616-619.
206. L Basso., PT McCollum., MR Darling., A Tocchi., WA Tanner A study of cholelithiasis during pregnancy and its relationship with age, parity, menarche, breast-feeding, dysmenorrhea, oral contraception and a maternal history of cholelithiasis Surg Gynecol Obstet 175 1 1992 41-46.
207. Y Bacq., O Zarja., J Brechot., et al. Liver function tests in normal pregnancy: a prospective study of 103 pregnant women and 103 matched controls Hepatology 23 1996 1030-1034.
208. LA Magee., P Mazzotta., G Koren Evidence-based view of safety and effectiveness of pharmacologic therapy for nausea and vomiting of pregnancy (NVP) Am J Obstet Gynecol 186 5 suppl Understanding 2002 S256-S261.
209. JK Mays The active management of intrahepatic cholestasis of pregnancy Curr Opin Obstet Gynecol 22 2 2010 100-103.
210. SC Bath., CD Steer., J Golding., P Emmett., MP Rayman Effect of inadequate iodine status in UK pregnant women on cognitive outcomes in their children: results from the Avon Longitudinal Study of Parents and Children (ALSPAC) Lancet 382 9889 2013 331-337.
211. A Berghout., E Endert., A Ross., HV Hogerzeil., NJ Smits., WM Wiersinga Thyroid function and thyroid size in normal pregnant women living in an iodine replete area Clin Endocrinol (Oxf) 41 3 1994 375-379.
212. CO Gregory., MK Serdula., KM Sullivan Use of supplements with and without iodine in women of childbearing age in the United States Thyroid 19 9 2009 1019-1020.
213. CS Liberman., SC Pino, Fang SL., LE Braverman., CH Emerson Circulating iodide concentrations during and after pregnancy J Clin Endocrinol Metab 83 10 2014 3545-3549.
214. SJ Mandel., CA Spencer., JG Hollowell Are detection and treatment of thyroid insufficiency in pregnancy feasible? Thyroid 15 1 2005 44-53.
215. WJ Rogan., JA Paulson., C Baum., et al. Iodine deficiency, pollutant chemicals, and the thyroid: new information on an old problem Pediatrics 133 6 2014 1163-1166.
216. R Utiger Maternal hypothyroidism and fetal development N Engl J Med 341 8 1999 601-602.
217. RS Goland., S Jozak., I Conwell Placental corticotropin-releasing hormone and the hypercortisolism of pregnancy Am J Obstet Gynecol 171 5 1994 1287-1291.
218. JR Lindsay., LK Nieman The hypothalamic-pituitary-adrenal axis in pregnancy: challenges in disease detection and treatment Endocr Rev 26 6 2005 775-799.
219. EM Scott., HH McGarrigle., GC Lachelin The increase in plasma and saliva cortisol levels in pregnancy is not due to the increase in corticosteroid-binding globulin levels J Clin Endocrinol Metab 71 3 1990 639-644.
220. JG Gonzalez., G Elizondo., D Saldivar., H Nanez., LE Todd., JZ Villarreal Pituitary gland growth during normal pregnancy: an in vivo study using magnetic resonance imaging Am J Med 85 2 1988 217-220.
221. A Levine., O Zagoory-Sharon., R Feldman., A Weller Oxytocin during pregnancy and early postpartum: individual patterns and maternal-fetal attachment Peptides 28 6 2007 1162-1169.
222. M Mojtahedi., LC de Groot., HA Boekholt., JM van Raaij Nitrogen balance of healthy Dutch women before and during pregnancy Am J Clin Nutr 75 6 2002 1078-1083.
223. PH Hart., RM Lucas., JP Walsh., et al. Vitamin D in fetal development: findings from a birth cohort study Pediatrics 135 1 2014.
224. A Prentice Maternal calcium metabolism and bone mineral status Am J Clin Nutr 71 5 suppl 2000 1312S-1316S.
225. P Deruelle., C Coulon The use of low-molecular-weight heparins in pregnancy-how safe are they? Curr Opin Obstet Gynecol 19 6 2007 573-577.
226. E Farbrot The relationship of the effect and pain of pregnancy to the anatomy of the pelvis Acta Radiol 38 5 1952 403-419.
227. JH Promislow., I Hertz-Picciotto., M Schramm., M Watt-Morse., JJ Anderson Bed rest and other determinants of bone loss during pregnancy Am J Obstet Gynecol 191 4 2004 1077-1083.
228. CW Schauberger., BL Rooney., L Goldsmith., D Shenton., PD Silva., A Schaper Peripheral joint laxity increases in pregnancy but does not correlate with serum relaxin levels Am J Obstet Gynecol 174 2 1996 667-671.
229. SM Shahtaheri., JE Aaron., DR Johnson., DW Purdie Changes in trabecular bone architecture in women during pregnancy Br J Obstet Gynaecol 106 5 1999 432-438.
230. J Shefras., RG Farquharson Bone density studies in pregnant women receiving heparin Eur J Obstet Gynecol 65 1996 171-174.
231. AW McKenzie Skin disorders in pregnancy Practitioner 206 236 1971 773-780.
232. F Muzaffar., I Hussain., TS Haroon Physiologic skin changes during pregnancy: a study of 140 cases Int J Dermatol 37 1998 429-431.
233. J Nissimov., U Elchalal Scalp hair diameter increases during pregnancy Clin Exp Dermatol 28 5 2003 525-530.
234. A Oatridge., A Holdcroft., N Saeed., et al. Change in brain size during and after pregnancy: study in healthy women and women with preeclampsia AHNR Am J Neuroradiol 23 2002 19-26.
235. CI Phillips., SM Gore Ocular hypotensive effect of late pregnancy with and without high blood pressure Br J Ophthalmol 69 2 1985 117-119.
236. LD Pizzarello Refractive changes in pregnancy Graefes Arch Clin Exp Ophthalmol 241 6 2003 484-488.
237. N Ziai., SJ Ory., AR Khan., RF Brubaker Beta-human chorionic gonadotrophin, progesterone, and aqueous dynamics during pregnancy Arch Ophthalmol 112 1994 801-806.
238. JP Hogge., ES De Paredes., CM Magnant., J Lage Imaging and management of breast masses during pregnancy and lactation Breast J 5 4 1999 272-283.
239. R Vashi., R Hooley., R Butler., J Geisel., L Philpotts Breast imaging of the pregnant and lactating patient: physiologic changes and common benign entities AJR Am J Roentgenol 200 2 2013 329-336.
240. JR Chadwick The value of the bluish discoloration of the vaginal entrance as a sign of pregnancy Trans Am Gynecol Soc 11 1887 399-418.
241. P Gallagher Varicose veins of the vulva Br J Sex Med 13 12-14 1986.
242. AT Gregoire., O Kandil., WJ Ledger The glycogen content of human vaginal epithelial tissue Fertil Steril 22 1971 64-68.
243. HE Nieburgs Gestational changes in the vaginal epithelium and their relation to the sex of the foetus J Obstet Gynaecol Br Emp 54 5 1947 653-655.
244. J Paavonen Physiology and ecology of the vagina Scand J Infect Dis Suppl 40 1983 31-35.
245. GN Papanicolaou The diagnosis of early human pregnancy by the vaginal smear method Proc Soc Exp Biol Med 22 1925 436.
246. WH Kutteh., RD Franklin Quantification of immunoglobulins and cytokines in human cervical mucus during each trimester of pregnancy Am J Obstet Gynecol 184 5 2001 865-872 discussion 872-874.
247. M Sakai., A Ishiyama., M Tabata., et al. Relationship between cervical mucus interleukin-8 concentrations and vaginal bacteria in pregnancy Am J Reprod Immunol 52 2 2004 106-112.
248. KJ Straach., JM Shelton., JA Richardson., VC Hascall., MS Mahendroo Regulation of hyaluronan expression during cervical ripening Glycobiology 15 1 2005 55-65.
249. B Timmons., M Mahendroo Processes regulating cervical ripening differ from cervical dilation and postpartum repair: insights from gene expression studies Reprod Sci 14 8-suppl 2007 53-62.
250. RA Word, Li X-H., M Hnat., K Carrick Dynamics of cervical remodeling during pregnancy and parturition: mechanisms and current concepts Semin Reprod Med 25 1 2007 69-79.
251. Cao B., IU Mysorekar Intracellular bacteria in placental basal plate localize to extravillous trophoblasts Placenta 2013 12-15.
252. MC Collado., E Isolauri., K Laitinen., S Salminen Distinct composition of gut microbiota during pregnancy in overweight and normal-weight women Am J Clin Nutr 88 4 2008 894-899 Available at http://www.ncbi.nlm.nih.gov/pubmed/18842773.
253. SL Hillier., MA Krohn., SJ Klebanoff., DA Eschenbach The relationship of hydrogen peroxide-producing lactobacilli to bacterial vaginosis and genital microflora in pregnant women Obstet Gynecol 79 3 1992 369-373.
254. SL Hillier., J Martius., M Krohn., N Kiviat., KK Holmes., DA Eschenbach A case-control study of the chorioamnionic infection and histologic chorioamnionitis in prematurity N Engl J Med 319 1988 972-978.
255. The Human Microbiome Project Consortium A framework for human microbiome research Nature 486 2012 215-221.
256. O Koren., JK Goodrich., TC Cullender., et al. Host remodeling of the gut microbiome and metabolic changes during pregnancy Cell 150 3 2012 470-480.
257. MA Krohn., SL Hillier., ML Lee., LK Rabe., DA Eschenbach Vaginal bacteroides species are associated with an increased rate of preterm delivery among women in preterm labor J Infect Dis 164 1 1991 88-93.
258. J Lederberg., AT McCray “Ome Sweet” Omics-a genealogical treasury of words Scientist 15 2001 8.
259. Liu B., CL Roberts., M Clarke., L Jorm., J Hunt., J Ward Chlamydia and gonorrhoea infections and the risk of adverse obstetric outcomes: a retrospective cohort study Sex Transm Infect 89 8 2013 672-678.
260. J Martius., MA Krohn., SL Hillier., WE Stamm., KK Holmes., DA Eschenbach Relationships of vaginal Lactobacillus species, cervical Chlamydia trachomatis, and bacterial vaginosis to preterm birth Obstet Gynecol 71 1 1988 89-95.
261. EK Mitsou., E Kirtzalidou., I Oikonomou., G Liosis., A Kyriacou Fecal microflora of Greek healthy neonates Anaerobe 14 2 2008 94-101.
262. I Mukhopadhya., R Hansen., EM El-Omar., GL Hold IBD-what role do Proteobacteria play? Nat Rev Gastroenterol Hepatol 9 4 2012 219-230.
263. AL Prince., KM Antony, Ma J., KM Aagaard The microbiome and development: a mother’s perspective Semin Reprod Med 32 2014 14-22.
264. R Romero., SS Hassan., P Gajer., et al. The vaginal microbiota of pregnant women who subsequently have spontaneous preterm labor and delivery and those with a normal delivery at term Microbiome 2 2014 18.
265. H Sokol., B Pigneur., L Watterlot., et al. Faecalibacterium prausnitzii is an anti-inflammatory commensal bacterium identified by gut microbiota analysis of Crohn disease patients Proc Natl Acad Sci U S A 105 43 2008 16731-16736.
266. RR Spurbeck., CG Arvidson Lactobacillus jensenii surface-associated proteins inhibit Neisseria gonorrhoeae adherence to epithelial cells Infect Immun 78 7 2010 3103-3111.
267. JH Steel., S Malatos., N Kennea., et al. Bacteria and inflammatory cells in fetal membranes do not always cause preterm labor Pediatr Res 57 3 2005 404-411.