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为探索米非司酮用于紧急避孕的效果,我们曾对300例单次服用25mg米非司酮的临床效果进行观察,有效率为73.9％,失败率为2％。为进一步提高有效率,本次观察将米非司酮剂量增加至50mg,共对符合接收条件的288例妇女的数据进行分析。现将结果报告如下。 对象与方法 健康育龄妇女,无米非司酮使用禁忌,无保护性生活或避孕失败72小时之内要求紧急避孕均予单次米非司酮50mg。产后、流产后未转经,哺乳,月经不规律或本次服用米非司酮前已服用过其他甾体激素类避孕药者均不列入结果分析。
To explore the efficacy of mifepristone for emergency contraception, we observed the clinical effect of 300 single-dose mifepristone doses of 25 mg, with an effective rate of 73.9% and a failure rate of 2%. In order to further improve the efficiency, this observation increased the dose of mifepristone to 50 mg, and analyzed the data of 288 women meeting the receiving conditions. The results reported below. Subjects and methods Healthy women of childbearing age, mifepristone use taboo, unprotected life or contraceptive failure within 72 hours require emergency contraception were given a single mifepristone 50mg. Postpartum, abortion not transpose, lactation, irregular menstruation or taking other steroid hormone contraceptives before taking mifepristone are not included in the result analysis.