Abstract: Objective To understand the present birth weight distribution of newborns' gestational age-specific in Luwan district of Shanghai. Method A describing analysis was done using the data from the birth monitoring system(the following data for all the raw data of Luwan district). Results Live birth weight rose with greater gestational age until 41 weeks, with a fast increasing time from 33 to 39 weeks.After 35 weeks, boys had higher birth weight than girls.And later born children had higher weights than first born.Compared to the Shanghai area, the birth weight closed at the same period. Conclusion The birth weight in Luwan district is closer to the level of the Shanghai aera.The relevant departments should further explore and develop a new birth weight standards.

Key words: live birth, birth weight, gestational age

摘要： 目的 了解上海市黄浦区活产儿的胎龄别出生体重情况, 为胎儿生长发育状况的监测和评价提供参考依据。方法 利用上海市黄浦区疾病预防控制中心出生监测系统对2004-2010年户籍活产婴儿的出生体重进行统计分析。结果 上海市黄浦区活产婴儿的出生体重随着胎龄的增加而增长, 增长最快的为33～39周, 41周后出现下降。35周后男婴出生体重高于女婴, 经产妇生育的活产儿体重高于初产妇;与同时代整个上海地区相比较, 出生体重基本接近。结论 上海市黄浦区活产儿的出生体重与整个上海市水平较接近, 胎龄别出生体重的分布特点相似, 有关部门应进一步探索制定新的出生体重标准。

关键词: 活产儿, 出生体重, 胎龄