植入性胎盘严重威协产妇生命,其发病率有逐渐升高趋势。我院1963～1985年有植入性胎盘40例。发病率为0.56％。将病例按60、70、80年代分为3组,发现患者发病年龄及胎,产次均随年代下降。人工流产及剖宫产与该病的发生关系密切,同时存在前置胎盘者占50％,80年代该比例高达72.22％。 Implantable placenta severe maternal life, its incidence has gradually increased. 1963-1985 in our hospital has implanted placenta in 40 cases. The incidence rate was 0.56%. The cases were divided into three groups by 60, 70, 80 years, found that patients with age of onset and birth, birth times decreased with each generation. Induced abortion and cesarean section are closely related to the occurrence of the disease, with 50% of patients with placenta previa and 72.22% of those in the 1980s.