对前列腺素E_1类似物卡孕栓(gemeprost)三种摄入方法与米非司酮合用于孕12～19周中期妊娠进行的随机比较性研究。 中期妊娠引产(12～19周)的100名妇女,采集病历,常规妇科检查,确定妊娠否,妊娠期限不确定则行“B”超检查。所有病人口服单剂量米非司酮200mg后回家,38h后来院。病人均≥16岁,治疗前征得本人同意,用双盲 Randomized comparative study of three injections of gemeprost, a prostaglandin E_1 analogue, and mifepristone in the second trimester of pregnancy. 100 women with induction of labor during the second trimester of pregnancy (range, 12 to 19 weeks) were enrolled in a medical examination and regular gynecological examinations to determine whether they were pregnant or not. All patients after a single oral dose of mifepristone 200mg home, 38h later hospital. Patients were ≥ 16 years old, I obtained the consent before treatment, double-blind