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米非司酮与左炔诺孕酮作为有效的紧急避孕已有报道。为进一步了解其差异 ,对两种药物的避孕效果进行比较。1 对象与方法1.1 对象 要求紧急避孕的健康妇女 40 0例 ,分成 、 两组各 2 0 0例。两组妇女月经规则 ,无避孕或避孕失败。平均年龄 2 9～ 30岁 ;平均无保护性交至服药
Mifepristone and levonorgestrel have been reported as effective emergency contraception. To better understand their differences, contraceptive effects of the two drugs were compared. 1 objects and methods 1.1 object requirements of emergency contraception, 40 cases of healthy women, divided into two groups of 200 cases. Two groups of women’s menstrual rules, no contraception or contraceptive failure. The average age of 29 ~ 30 years old; an average of non-protective delivery to medication