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★生理周期がわからない場合は、こちらのツールをお使いください。過去２回の生理日を入れると判定できます。 将来の生理予定日自動計算ツール!生理周期平均も!カレンダー付 妊娠してるかも・・・？と思ったらこちらのツールをお試しください。症状や生理予定日からの経過日数から確率を自動計算します！ ★。 See more

危険日の範囲 = 排卵日 – 5日 から 排卵日 + 1日; 安全日の範囲 = 最後の月経開。

一般的に妊娠しにくい日を安全日、妊娠しやすい日を危険日と言っていますが、危険日の算出方法や生理や排卵の仕組みを踏まえて詳しく紹介します。 ... 生理のタイミングでも無いため不正出血を疑う人も多いですが、。

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