目的探讨剖宫产术后妊娠与人工流产的有关问题。方法对４３８例有剖宫产史孕妇的月经，孕周，术后间隔时间，是否避孕等进行回顾分析。结果术后间隔时间４个月至５ａ。孕周在６～１２周。术后１ａ内闭经７２例，因避孕失败而受孕１０９例（２４９％），未避孕者３２９例（７５１％）。结论妊娠率的高低与避孕措施有关。对剖宫产的产妇进行避孕知识宣教，采取有效的避孕方式，以降低人工流产率。 Objective To investigate the related problems of pregnancy and induced abortion after cesarean section. Methods 438 pregnant women with a history of cesarean section menstrual cycle, gestational age, postoperative interval, contraception and so on were analyzed retrospectively. Results Postoperative interval of 4 months to 5a. Gestational weeks in 6 to 12 weeks. There were 72 cases of menopause in one year after operation, 109 cases (249%) conceived due to failed contraception, and 329 cases (751%) without contraception. Conclusions The pregnancy rate is related to contraception. Cesarean section of pregnant women to carry out contraceptive knowledge of education, to take effective contraceptive methods to reduce the rate of induced abortion.