References
- 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
- Yogev Y, Catalano PM. Pregnancy and obesity. Obstet Gynecol Clin N Am 2009;36:185–300
- Chu SY, Callaghan WM, Kim SY, et al. Maternal obesity and risk of gestational diabetes mellitus. Diabetes Care 2007;30:2070–6
- Stotland NE, Haas JS, Brawarsky P, et al. Body mass index, provider advice, and target gestational weight gain. Obstet Gynecol 2005;105:663–8
- Simões T, Queirós A, Correia L, et al. Gestational diabetes mellitus complicating twin pregnancies. J Perinat Med 2011;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
- Carpenter MW, Coustan DR. Criteria for screening tests for gestational diabetes. Am J Obstet Gynecol 1982;144:768–73
- 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
- Johnson J, Clifton RG, Roberts JM, et al. Pregnancy outcomes with weight gain above or below the 2009 Institute of Medicine guidelines. Obstet Gynecol 2013;121:969–75