目的　探讨药物流产后清宫原因。方法　回顾性分析了 12 6 0例药物流产的临床资料 (不包括药流失败 )。结果　药物流产后行清宫术 136例 ,清宫率 10 .79% ,后位子宫清宫率 2 1.9% ,有宫腔操作史者清宫率 14 .2 1%。结论　绒毛及蜕膜组织残留是药流后子宫异常出血的主要原因 ,后位子宫及有宫腔操作史者药流后绒毛及蜕膜组织残留增高 ,清宫率亦增高 Objective To investigate the causes of post-abortion Qing Dynasty. Methods Retrospective analysis of 126 cases of medical abortion clinical data (not including the failure of medical abortion). Results After medical abortion 136 cases of curettage, the Qing rate of 10.79%, the posterior uterine clearance rate of 1.9%, the history of uterine operation Qing rate of 14.21%. Conclusion The residual villus and decidua are the main causes of abnormal bleeding in the uterus after medical abortion. The posterior uterus and the operating history of the uterine cavity are characterized by increased residue of the villi and decidua,