妊娠危険日計算|安全日と危険日っていつのこと？妊娠の確率は？排卵。,hdsexxx

「危険日」や「安全日」という言葉を聞いたことはありますか？これは避妊に気をつけているときに、妊娠しやすい日を「危険日」、妊娠しにくい日を「安全日」と表す俗語です妊娠危険日計算。この記事では、危険日や安全日とは具。

排卵日 = 最後の月経開始日 + 周期の半分. 例えば、最後の月経開始日が4月1日で、周期が30日。

自分の生理周期を妊娠危険日計算予測する排卵日チェッカーオギノ式で計算！排卵日計算カレンダー表示で安全日計算（妊娠しにくい日）危険日計算（妊娠しやすい日）。。

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