目的:探讨不同剂量米非司酮胶囊配伍卡前列甲酯终止瘢痕子宫10～14周妊娠的效果。方法:选择2009年5月～2011年9月收治的剖宫产手术1年内妊娠10～14周的非意愿孕妇113例随机分为两组,对照组50例口服米非司酮胶囊50 mg,观察组63例口服米非司酮胶囊100 mg,48 h分4次服完,12 h后给予卡前列甲酯栓1 mg阴道后穹窿或肛门用药,如6 h未见妊娠物排出,可再次给予卡前列甲酯栓1 mg,24 h内不超过3 mg。结果:观察组在有效率、上栓后妊娠物排出时间、阴道出血量等情况均明显优于对照组,但阴道出血时间无明显差异。结论:应用100 mg米非司酮胶囊终止10～14周瘢痕子宫妊娠较50 mg效果明显。 Objective: To investigate the effect of different doses of mifepristone capsules combined with card forester in the termination of uterine scar pregnancy 10 ~ 14 weeks. Methods: One hundred and eleven cases of unwanted pregnancies of 10-14 weeks gestation during one year after cesarean section operation from May 2009 to September 2011 were randomly divided into two groups, 50 cases in the control group were given 50 mg mifepristone capsules, The observation group 63 cases of oral mifepristone capsules 100 mg, 48 hours 4 times finished service, 12 hours after giving captopril suppository 1mg vaginal fornix or anal medication, such as 6 h no pregnancy discharge, again Give methylphenidate suppository 1 mg, no more than 3 mg within 24 h. Results: The observation group was significantly superior to the control group in terms of the effective rate, the discharge time of the pregnancy substance and the volume of vaginal bleeding after the administration of the suppository, but there was no significant difference in the vaginal bleeding time. Conclusion: 100 mg mifepristone capsule has the effect of 10 ~ 14 weeks scar pregnancy compared with 50 mg.