References
- Lu GC, Rouse DJ, Dubard M, et al. The effect of increasing prevalence of maternal obesity on perinatal morbidity. Am J Obstet Gynecol 2001;185:845–9
- Statistics Canada [Internet]. Adult obesity in Canada: measured height and weight. 2005. Available from: http://www.statcan.gc.ca/pub/82-620-m/2005001/article/adults-adultes/8060-eng.htm/ [last accessed 14 Feb 2014]
- Sebire NJ, Jolly M, Harris JP, et al. Maternal obesity and pregnancy outcome: a study of 287,213 pregnancies in London. Int J Obes Relat Metab Disord 2001;25:1175–82
- Nuthalapaty FS, Rouse DJ. The impact of obesity on obstetrical practice and outcome. Clin Obstet Gynecol 2004;47:898–913
- Edwards LE, Hellerstedt WL, Alton IR, et al. Pregnancy complications and birth outcomes in obese and normal-weight women: effects of gestational weight change. Obstet Gynecol 1996;87:389–94
- Castro LC, Avina RL. Maternal obesity and pregnancy outcomes. Curr Opin Obstet Gynecol 2002;14:601–6
- Cedergren MI. Maternal morbid obesity and the risk of adverse pregnancy outcome. Obstet Gynecol 2004;103:219–24
- Cnattingius S, Bergstrom R, Lipworth L, Kramer MS. Prepregnancy weight and the risk of adverse pregnancy outcomes. N Engl J Med 1998;338:147–52
- Gross T, Sokol RJ, King KC. Obesity in pregnancy: risks and outcome. Obstet Gynecol 1980;56:446–50
- Jensen DM, Damm P, Sorensen B, et al. Pregnancy outcome and prepregnancy body mass index in 2459 glucose-tolerant Danish women. Am J Obstet Gynecol 2003;189:239–44
- Salihu HM, Lynch O, Alio AP, Liu J. Obesity subtypes and risk of spontaneous versus medically indicated preterm births in singletons and twins. Am J Epidemiol 2008;168:13–20
- Salihu HM, Aliyu MH, Rouse DJ. Potentially preventable excess mortality among higher-order multiples. Obstet Gynecol 2003;102:679–84
- Blickstein I, Keith LG. Multiple pregnancy. Epidemiology, gestation & perinatal outcome, 2nd ed. London: Informa Healthcare; 2005
- Simões T, Queirós A, Correia L, et al. Gestational diabetes mellitus complicating twin pregnancies. J Perinat Med 2001;39:437–40
- Sibai BM, Hauth J, Caritis S, et al. Hypertensive disorders in twin versus singleton gestations. National Institute of Child Health and Human Development Network of Maternal-Fetal Medicine Units. Am J Obstet Gynecol 2000;182:938–42
- Greene MF. Progesterone and preterm delivery – déjà vu all over again. N Engl J Med 2003;348:2453–5
- Coonrod DV, Hickok DE, Zhu K, et al. Risk factors for preeclampsia in twin pregnancies: a population-based cohort study. Obstet Gynecol 1995;85:645–50
- Suzuki S, Igarashi M. Risk factors for preeclampsia in Japanese twin pregnancies: comparison with those in singleton pregnancies. Arch Gynecol Obstet 2009;280:389–93
- Carpenter MW, Coustan DR. Criteria for screening tests for gestational diabetes. Am J Obstet Gynecol 1982;144:768–73
- Zhang C, Solomon CG, Manson JE, Hu FB. A prospective study of pregravid physical activity and sedentary behaviors in relation to the risk for gestational diabetes mellitus. Arch Intern Med 2006;166:543–8
- Lucovnik M, Tul N, Verdenik I, et al. Risk factors for preeclampsia in twin pregnancies: a population-based matched case-control study. J Perinat Med 2012;40:379–82
- Chauhan SP, Magann EF, Carroll CS, et al. Mode of delivery for the morbidly obese with prior cesarean delivery: vaginal versus repeat cesarean section. Am J Obstet Gynecol 2001;185:349–54
- Siega-Riz AM, Laraia B. The implications of maternal overweight and obesity on the course of pregnancy and birth outcomes. Matern Child Health J 2006;10:153–6
- Lashen H, Fear K, Sturdee DW. Obesity is associated with increased risk of first trimester and recurrent miscarriage: matched case-control study. Hum Reprod 2004;19:1644–6
- Ray JG, Wyatt PR, Vermeulen MJ, et al. Greater maternal weight and the ongoing risk of neural tube defects after folic acid flour fortification. Obstet Gynecol 2005;105:261–5
- Bodnar LM, Catov JM, Klebanoff MA, et al. Prepregnancy body mass index and the occurrence of severe hypertensive disorders of pregnancy. Epidemiology 2007;18:234–9
- James AH, Jamison MG, Brancazio LR, Myers ER. Venous thromboembolism during pregnancy and the postpartum period: incidence, risk factors, and mortality. Am J Obstet Gynecol 2006;194:1311–15