【摘要】 目的探讨孕妇体重指数变化对剖宫产的影响。方法对2年来笔者所在医院产检并分娩的441例初产妇妊娠初期体重指数、妊娠37周后体重指数、新生儿体重及剖宫产指征,应用t检验、χ~2检验及Logistic回归分析评估其与剖宫产的关系。结果在496例产妇中,共有441例用于统计分析,剖宫产192例,剖宫产率43.5%。与非剖宫产组相比,剖宫产组孕期体重指数增量>6构成比较高(20.3%vs 9.6%,χ~2=10.086,P=0.000),巨大儿构成比较高(26.6%vs 1.6%,χ~2=10.086,P=0.000)。Logistic回归分析显示,经巨大儿及社会因素校正后,孕期体重指数增量>6是剖宫产的危险因素(RR=6.017,95%CI为6.883～12.555,P=0.000)。结论初产妇孕期体重指数增量>6与剖宫产有关。更多还原

【Abstract】 Objective To evaluate the predictive value of change in antenatal maternal body mass index(BMI) as it relates to cesarean section.Methods We analyzed data from 2 years of consecutive deliveries,focusing on first visit(first trimester) BMI,last visit(37 weeks or later) BMI,fetal birth weigh,and factors of cesarean section.Using t analyses,2 analyses and logistic regression,and we evaluated the relationship between change in BMI and cesarean section.Results Of the 496 consecutive deliveries,we were able to analyze data from 441,of which 43.5%(n=192) of the patients treated with cesarean section.Among women with cesarean section,20.3%(39/192)of them had a more than 6 increase in BMI compared with 9. 6%(24/249)of patients without cesarean section(P=0.000),adjusted by macrosomia and social factors,for a relative risk 6.017(95%confidence interval,2.883-12.555,P=0.000).Conclusion An increase in maternal BMI of more than 6 during pregnancy is highly predictive of cesarean section.更多还原