妊娠前不同体重指数与围产结局的关系研究

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目的研究妊娠前不同体重指数对围产结局的影响。方法回顾性分析2005~2007年在我院分娩的单胎妇女238例,按妊娠前体重指数(BMI)分为BMI在19.8~23.9的正常BMI组、BMI 24~27的高BMI组和BMI≥27的肥胖组。新生儿体重≥4000g为巨大儿。比较正常BMI组、高BMI组和肥胖组的围产结局。结果全部资料共有238例,其中正常BMI组182例,高BMI组117例,肥胖组56例,巨大儿的发生率分别为10.4%、19.6%、28.6%,妊娠期高血压病、妊娠期糖尿病、羊水过多的风险随妊娠前BMI增加而上升,早产、剖宫产、新生儿病率的发生率亦随妊娠前BMI增加而升高,差异有显著性。结论妊娠前异常的母亲体重指数高度影响巨大儿的发生率;随妊娠前BMI增加不良围产结局的风险增加。 Objective To study the effect of different body mass index on perinatal outcomes before pregnancy. Methods A retrospective analysis of 238 women with singletons who were delivered in our hospital from 2005 to 2007 were divided into three groups according to the body mass index (BMI) before pregnancy: normal BMI group with BMI between 19.8 and 23.9, high BMI group with BMI between 24 and 27 and BMI≥ 27 obese group. Neonatal body weight ≥ 4000g for giant children. Perinatal outcomes were compared between normal BMI group, high BMI group and obesity group. Results A total of 238 cases of all data, including 182 cases of normal BMI group, 117 cases of high BMI group, 56 cases of obesity, the incidence of macrosomia were 10.4%, 19.6%, 28.6%, gestational hypertension, gestational diabetes mellitus , The risk of polyhydramnios increased with the increase of pre-pregnancy BMI, the incidence of preterm birth, cesarean section, neonatal morbidity also increased with the increase of pre-pregnancy BMI, the difference was significant. CONCLUSIONS: Maternal BMI before pregnancy is highly influential in the incidence of macrosomia; the risk of adverse perinatal outcomes increases with increasing pre-pregnancy BMI.
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