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目的:探讨孕妇体重指数对新生儿体重的影响。方法:回顾性分析2006年1月～2007年6月在我院生产的足月无妊娠合并症及并发症的469例产妇孕前体重指数(BMI)和整个妊娠期体重指数增长幅度(△BMI)对新生儿体重的影响。结果:高BMI组孕妇娩出巨大儿的几率高于正常BMI组和低BMI组,低BMI组孕妇娩出小于胎龄儿的几率明显高于正常组。当△BMI>6时娩出巨大胎儿几率明显增高(P<0.05),当△BMI<4时娩出小于胎龄儿的几率明显高于正常组。结论:异常的孕期体重指数变化对新生儿体重有重要影响。
Objective: To investigate the impact of body mass index (BMI) on the weight of newborns. Methods: 469 maternal pre-pregnancy body mass index (BMI) and whole body mass index (△ BMI) were measured retrospectively from January 2006 to June 2007 in our hospital. Impact on newborn weight. Results: The chances of giving birth to a huge child in high BMI group were higher than those in normal BMI group and low BMI group. The pregnant women in low BMI group had a significantly higher chance of giving birth to a child younger than gestational age than the normal group. When △ BMI> 6, the probability of delivering a huge fetus was significantly increased (P <0.05). When △ BMI <4, the chances of giving birth to a child younger than gestational age were significantly higher than those in the normal group. CONCLUSIONS: Abnormal changes in body mass index during pregnancy have a significant effect on newborn weight.