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目的了解孕妇妊娠期体重增长情况与不良妊娠结局的相关性,强调提供正确体重增长指导的重要性。方法选择2009年1月～2010年1月在我院常规产前检查并分娩的足月单胎孕妇2557例,按孕妇孕前体重指数(BMI)分为低体重组、正常组、超重组和肥胖组,计算不同组别孕期体重增长值,并与2009年InstituteofMedcine(IOM)体重增长指南(以下简称指南)比较,计算超出指南建议体重的比率,并对其妊娠结局进行对比分析。结果四组中体重超出指南建议的孕妇所占比率分别为38.36%、40.77%、65.36%、63.64%。这些孕妇与体重正常增长孕妇相比,其剖宫产率、妊娠期糖尿病(GDM)、妊娠期高血压(PIH)、巨大儿的发生率均升高,具有显著性差异(P<0.05)。结论妊娠期提供正确的体重增长指导有着重要的意义,可以降低不良妊娠结局的发生率,还可以减少妇女及后代肥胖症的发生。
Objective To understand the relationship between pregnant women ’s weight gain during pregnancy and their unfavorable pregnancy outcomes and to emphasize the importance of providing guidance on correct weight gain. Methods Totally 2557 pregnant women with full-term single pregnancies who were checked and delivered routinely in our hospital from January 2009 to January 2010 were divided into low-weight group, normal group, overweight group and obesity The weight gain values of different groups during pregnancy were calculated and compared with the 2009 Institute of Medicine (IOM) Weight Gains Guide (hereinafter referred to as the “Guide”) to calculate the rate of excess body weight in the guideline, and their pregnancy outcomes were compared. Results The proportions of pregnant women whose weight exceeded the guidelines in the four groups were 38.36%, 40.77%, 65.36% and 63.64% respectively. Compared with pregnant women with normal weight gain, these pregnant women had higher rates of cesarean section, gestational diabetes mellitus (GDM), gestational hypertension (PIH) and macrosomia, with significant difference (P <0.05). Conclusions Guidance for providing correct weight gain during pregnancy is of great importance. It can reduce the incidence of adverse pregnancy outcomes and reduce the incidence of obesity among women and their offspring.