我院从1992年至1997年共收治胎盘早剥56例，占同期分娩总数的0．51％（56／10800），且全部病例均经胎盘检查证实为胎盘早剥。1．临床资料1．1发病年龄及孕周；最小年龄为21岁，最大年龄为42岁．初产妇有42例（75．14％42／56）．经产妇为14例（24．86％14／56）．孕周中20周至 56 cases of placental abruption were treated in our hospital from 1992 to 1997, accounting for 0.51% (56/10800) of the total number of deliveries in the same period, and all cases were confirmed as placental abruption by placental examination. 1. Clinical data 1.1 The age of onset and gestational age; the youngest age of 21 years, the maximum age of 42 years. There were 42 cases of primipara (75.14% 42/56). The mother was 14 cases (24.86% 14/56). 20 weeks to gestational week