北京市顺义区乳母孕前体质指数及孕期增重对新生儿出生体格的影响

The effects of maternal BMI before pregnancy and weight gain during pregnancy on newborns' physique in Shunyi,Beijing

目的了解北京市顺义区育龄妇女孕前体质指数、孕期增重对新生儿体格的影响。方法以问卷形式收集乳母生活方式及健康状况等资料,并对资料进行统计学分析。结果孕前超重组乳母的新生儿体重较孕前体重正常乳母的新生儿体重高,差异具有统计学意义(P<0.01);孕期增重超重者的新生儿体重和身长均较孕期增重合适者的新生儿高,差异具有统计学意义(P<0.01)。结论孕前体质指数、孕期增重与新生儿出生体格密切相关,育龄妇女孕前应尽量达到正常体重标准,孕期保持适宜增重,确保胎儿正常发育及新生儿各项体格指标符合标准。

Objective To understand the effects of maternal body mass index（ BMI） before pregnancy and maternal weight gain during pregnancy on newborns＇ physique in Shunyi district,Beijing. Methods Life style and health status data of the pregnant women were collected by questionnaires,and were analyzed by statistical method. Results Neonatal birth weight of high pre-pregnancy BMI mothers were higher than newborns whose mothers had normal BMI before pregnancy. The difference was statistically significant（ P 〈0. 01）. Neonatal birth weight and height of mothers gaining abnormal weight during pregnancy were higher than newborns whose mothers had weight increment within normal range. Conclusion BMI before pregnancy and weight gain during pregnancy had close relationship with neonatal physique. Pregnant women should try to reach the normal range of BMI before pregnancy,and keep appropriate increment of weight to guarantee the regular development of fetus and to meet standard of physical indicators.