在近期的《美国医学会杂志》(JAMA)上发表的一项随机、单盲试验结果显示,虽然很容易获得紧急避孕(EC)的妇女与获取受限的妇女相比应用较多,但紧急避孕的有效性并不改变性习惯或其他避孕方法的使用。来自于加利福尼亚大学的Tina Raine博士对此解释说,如果紧急避孕药很容易获得,那么有可能 A randomized, single-blind trial published in the recent JAMA showed that while women with emergency contraception (EC) are more often used than women with limited access, emergency The effectiveness of contraception does not change the use of sexual habits or other methods of contraception. Dr. Tina Raine from the University of California explains that if emergency contraception is readily available, then it is possible