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目的：探讨药物流产后阴道出血的原因及防治办法。方法：对１９９７年３月～１９９８年２月在我科进行药物流产的１８３７例进行回顾性分析。结果：（１）患者年龄在３０岁以上，孕产次在３胎以上，妊娠天数在７周以上的清宫率较高。（２）１５例清宫标本病检显示：绒毛残留８例（５３３３％），蜕膜残留４例（２６６７％），分泌期宫内膜３例（２０％）。结论：药物流产后出血的主要原因是绒毛和蜕膜残留。认真选择病例，密切观察随访，及时清宫，是防治出血的有效方法。
Objective: To investigate the causes of vaginal bleeding after medical abortion and its prevention and cure. Methods: A retrospective analysis of 1837 cases of medical abortion in our department from March 1997 to February 1998 was conducted. Results: (1) The patients were over 30 years of age with more than 3 pregnancies, and those with gestational days of more than 7 weeks had higher rates of cesarean section. (2) The pathological examination of 15 specimens of Qing dynasty showed that there were 8 cases (5333%) of villus residue, 4 cases (2667%) of decidua, and 3 cases of secretory endometrium (20%). Conclusion: The main reason for bleeding after medical abortion is residual villus and decidua. Careful selection of cases, close observation and follow-up, timely Qing, prevention and treatment of bleeding is an effective method.