1.1. Bradley CS et al. Constipation in pregnancy: prevalence, symptoms, and risk factors. Obstet Gynecol 2007; 110: 1351-7.2.2. Cullen G, O\'Donoghue D. Constipation and pregnancy. Best Pract Res Clin Gastroenterol 2007; 21: 807-18.3.3. Ponce J et al. Constipation during pregnancy: a longitudinal survey based on self-reported symptoms and the Rome II criteria. Eur J Gastroenterol Hepatol 2008; 20: 56-61.4.4. Meier PR, Nickerson HJ, Olson KA et al. Prevention of iron deficiency anemia in adolescent and adult pregnancies. Clin Med Res 2003; 1: 29-36. Milman N, Byg KE, Bergholt T et al. Side effects of oral iron prophylaxis inpregnancy - myth or reality? Acta Haematol 2006; 115: 53-7.5.5. Zygmunt M, Heilmann L, Berg C et al. Local and systemic tolerability of magnesiumsulphate for tocolysis. Eur J Obstet Gynecol Reprod Biol 2003; 107: 168-75.6.6. Gill RC, Bowes KL, Kingma YJ. Effect of progesterone on canine colonic smooth muscle. Gastroenterology 1985; 88: 1941-7.7.7. Christofides N, Ghatei M, Bloom S et al. Decreased plasma motilin concentrations in pregnancy. Br Med J (Clin Res Ed) 1982; 285 (6353): 1453-4.8.8. Zhonghua Fu Chan Ke Za Zhi. Relation between motilin concentration and progesterone level in normal pregnancy and early postpartum. 1993; 28 (9): 524-6, 568.9.9. Kiaii B, Xu QW, Shaffer EA. The basis for progesterone impairment of gallbladder contractility in male guinea pigs in vitro. J Surg Res 1998; 79 (2): 97-102.10.10. Kern F, Everson GT, DeMark B et al. Biliary lipids, bile acids, and gallbladder function in the human female. Effects of pregnancy and the ovulatory cycle. J Clin Invest 1981; 68: 1229-42.11.11. Bani D, Baccari MC, Quattrone S et al. Relaxin depresses small bowel motility through a nitric oxide-mediated mechanism. Studies in mice. Biol Reprod 2002; 66 (3): 778-84.12.12. Shah S, Hobbs A, Singh R et al. Gastrointestinal motility during pregnancy: role of nitrergic component of NANC nerves. Am J Physiol Regul Integr Comp Physiol 2000; 279 (4): R1478-85.13.13. Xiao ZL, Pricolo V, Biancani P, Behar J. Role of progesterone signaling in the regulation of G-protein levels in female chronic constipation. Gastroenterology 2005; 128 (3): 667-75.14.14. Curtis SL, Marsden-Williams J, Sullivan C et al. Current trends in the management of heart disease in pregnancy. Int J Cardiol 2009; 133 (1): 62-9.15.15. Parry E, Shields R, Turnbull AC. The effect of pregnancy on the colonic absorption of sodium, potassium and water. J Obstet Gynaecol Br Commonw 1970; 77 (7): 616-9.16.16. Ерофеев Н.П., Радченко В.Г., Селиверстов П.В. Клиническая физиология толстой кишки. Механизмы действия коротко-цепочечных жирных кислот в норме и при патологии. Монография. СПб.: Форте Принт, 2012.17.17. Choijookhuu N, Sato Y, Nishino T et al. Estrogen-dependent regulation of sodium/hydrogen exchanger-3 (NHE3) expression via estrogen receptor b in proximal colon of pregnant mice. Histochem Cell Biol 2012; 137 (5): 575-87, doi: 10.1007/s00418-012-0935-2. Epub 2012.18.18. Лоуренс Д.Р., Беннит П.Н. Клиническая фармакология. Пер. с англ. М., 1988. Т. 2.19.19. Mahadevan U, Kane S. American gastroenterological association institute technical review on the use of gastrointestinal medications in pregnancy. Gastroenterology 2006; 131 (1): 283-311.20.20. Jewell DJ, Young G. Interventions for treating constipation in pregnancy. Cochrane Database Syst Rev 2001; 2: CD001142.21.21. Warnecke G. Darmregulation in der Gynakologie durch biologische Verbesserung der Motilitat. Med Welt 1985; 36: 1011-3.