禮拜。如果你的周期不太規律,但記得你們是哪天受孕(做功課那天,其實不一定那天就受孕),那麽這個日期是最準的,從這個日期往前推兩個禮拜。
禮拜。如果你的周期不太規律,但記得你們是哪天受孕(做功課那天,其實不一定那天就受孕),那麽這個日期是最準的,從這個日期往前推兩個禮拜。
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