每个女性一生总要经历好多个“非常时期”,而各个时期的避孕方法也不是千遍一律的。特别是不少避孕方法,会因不同人不同时期而有差异,稍有疏忽,就会导致避孕失败。故女性在下列特殊情况下应选择正确的避孕妙招。月经异常的女子经常闭经或月经过少的女性,不宜选用避孕药,宜放置 Every woman’s life has to go through many “extraordinary periods”, and the contraceptive methods of different periods are not uniform. In particular, many contraceptive methods may vary from one period of time to another and negligence may result in failure of contraception. Therefore, women in the following special circumstances should choose the right contraceptive coup. Abnormal menstruation, women often amenorrhea or menorrhagia, should not be used contraceptives, should be placed