该文了解我国妇女分娩年龄现状及妊娠年龄与妊娠期高血压疾病之间的关系。方法:回顾性调查2011年中国大陆北京、上海、吉林、辽宁、江苏等14个省、市、自治区39家医院妊娠满28周住院分娩的110 450例产妇。按产妇分娩年龄间隔5岁分组,<15岁的纳入到15~19岁组,≥45岁的纳入40~44(≥40)岁组, This article is to understand the current status of women’s delivery in China and the relationship between gestational age and gestational hypertension. Methods: Retrospectively surveyed 110 450 mothers from 39 hospitals in 14 provinces, cities and autonomous regions in China mainland in Beijing, Shanghai, Jilin, Liaoning, Jiangsu and other 28 hospitals during the 28 weeks of pregnancy. According to the age of childbirth at 5-year-old grouping, <15 years old were enrolled in the group of 15-19 years old, ≥45 years old were enrolled in 40-44 (≥40)