产后出血是分娩期严重并发症 ,居我国目前孕产妇死亡之原因的首位 ,其发生率占分娩总数的 2 %～3%。为此 ,产后出血一直都是产科工作者十分重视的问题。本文以产后出血的致病因素为基点 ,进行了相关的影响因素分析。1　材料与方法1·1　材料　我院产科 1995年元月至 2 0 0 0年 Postpartum hemorrhage is a serious complication of childbirth, ranking the first cause of maternal death in China, the incidence of 2% to 3% of the total number of deliveries. To this end, postpartum hemorrhage has always been a very important issue for obstetric workers. In this paper, the causative factors of postpartum hemorrhage as the starting point, the relevant influencing factors were analyzed. 1 Materials and Methods 1.1 Materials Obstetrics and Gynecology in our hospital from January 1995 to 2000