礼拜。如果你的周期不太规律,但记得你们是哪天受孕(做功课那天,其实不一定那天就受孕),那么这个日期是最准的,从这个日期往前推两个礼拜。
礼拜。如果你的周期不太规律,但记得你们是哪天受孕(做功课那天,其实不一定那天就受孕),那么这个日期是最准的,从这个日期往前推两个礼拜。
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