近年来,由于社会环境的改善和生活水平的提高,我国巨大儿的发生率呈上升趋势。巨大儿不仅给孕妇和产程增加了风险,而且在学龄前期更容易造成体内脂肪的聚集,增加患儿童期代谢综合征的危险,而26%~41%的学龄前儿童肥胖会延续到青春期和成人期,同时其心血管疾病等的发病率和死亡率明显增高。我们对1999—2008年在上海市长宁区2家助产机构中分娩的新生儿体重变化 In recent years, due to the improvement of social environment and the improvement of living standards, the incidence of huge children in our country has been on the rise. Huge children not only increase the risk of pregnant women and labor, but also more easily lead to the accumulation of body fat in preschool children, increasing the risk of childhood metabolic syndrome, while 26% to 41% of preschool children will be extended to adolescent and adult obesity Period, while its incidence of cardiovascular diseases such as morbidity and mortality increased significantly. We report changes in body weight of newborns delivered in two midwifery institutions in Changning District, Shanghai from 1999 to 2008