目前,常用的紧急避孕的方法主要有放置带铜宫内节育器和口服药物两种。其中,在无保护性生活后5天之内放置带铜宫内节育器,是现在紧急避孕有效率最高的方法。一般采取这一措施的人都是已经生育过的妇女,且此法对有生殖道感染的人不适用。所以,有相当部分避孕失败后的妇女选择了口服紧急避孕药物。 At present, the commonly used emergency contraception methods are mainly placed with copper IUD and oral drugs are two. Among them, the placement of copper IUDs within 5 days of unprotected life is now the most effective method of emergency contraception. People who generally take this measure are women who have given birth, and this method does not apply to people who have genital tract infections. Therefore, a considerable part of the contraceptive failure women opted for oral contraceptives.