目的探讨终止瘢痕子宫中期妊娠的最佳方法。方法60例瘢痕子宫妊娠14～28周患者随机分3组,分别采用利凡诺羊膜腔注射,利凡诺配伍米非司酮及米非司酮配伍米索前列醇3种方法,观察流产时间、清宫率及阴道流血量。结果米非司酮配伍利凡诺流产时间短,清宫率低(P<0.01),阴道流血量少(P<0.01)。结论米非司酮配伍利凡诺用于终止14～28周瘢痕子宫中期妊娠疗效好,可减少宫腔手术,患者痛苦小,对机体损伤轻、恢复快。 Objective To explore the best way to terminate mid-term pregnancy of scar. Methods 60 cases of uterine scar pregnancy from 14 to 28 weeks were randomly divided into three groups were treated with rivanol amniotic cavity injection, rivanol with mifepristone and mifepristone with misoprostol 3 methods to observe the abortion time , Qing rate and vaginal bleeding. Results mifepristone compatibility rivanol abortion time is short, the Qing rate is low (P <0.01), less vaginal bleeding (P <0.01). Conclusion The combination of mifepristone and rivanol is effective in terminating scar of uterus in the second trimester of pregnancy from 14 to 28 weeks. It can reduce uterine cavity surgery, relieve the pain of the patient and reduce the damage of the body.