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为观察米非司酮 (Ru4 86)、左炔诺孕酮以及活性IUD用于紧急避孕 (EC)的临床效果、副反应、对月经的影响和活性IUD的长期避孕效果 ,对 150例身体健康、月经规律、未避孕或避孕失败 12 0h以内的妇女按自愿的方式分为放置IUD组或服药组 ,服药组按随机方法给予口服Ru4 86或左炔诺孕酮。结果发现Ru4 86组和活性IUD组有效率为 10 0 % ,左炔诺孕酮组为 76 8% (均按Dixon方法计算 ) ,对月经的影响及副反应的发生率很低。说明 :此三种EC方法均安全有效 ,活性IUD不引起生殖系统感染 ,可以作为一种长期避孕措施继续应用。
To observe the clinical effects of levonorgestrel and levonorgestrel and active IUD for emergency contraception (EC), side effects, effects on menstruation and long-term contraceptive efficacy of active IUD, 150 cases of physical health , Regular menstruation, non-contraception or contraceptive failure within 12h were divided into voluntary placement of IUD group or medication group, the medication group were randomized to oral Ru4 86 or levonorgestrel. The results showed that Ru4 86 group and active IUD group was 100%, levonorgestrel group was 76 8% (by Dixon method), the impact on menstruation and the incidence of side effects is very low. Description: The three EC methods are safe and effective, reactive IUD does not cause reproductive system infection, can continue as a long-term contraceptive measures.