Nafi reported,

Abdullah divorced his wife with a single pronouncement of divorce while she was menstruating, during the lifetime of the Messenger of Allah ﷺ.Umar said, "Messenger of Allah, Abdullah has divorced his wife with a single pronouncement while she was menstruating."The Messenger of Allah ﷺ instructed him to take her back and keep her until she became pure, then menstruated again while with him, then became pure once more. If he then wished to divorce her, he should do so when she was pure, before having relations with her. That is the waiting period in accordance with which Allah Almighty commanded that women be divorced.Whenever Abdullah was asked about this, he would say to the questioner, "If you divorced your wife once or twice, then the Messenger of Allah ﷺ instructed me what to do in such a case. But if you divorced her three times, then she is forbidden to you until she marries another husband, and you have disobeyed Allah Almighty in the manner He commanded you to divorce your wife."

حدثنا يونس حدثنا ليث

عن نافع

أن عبد الله طلق امرأته وهي حائض تطليقة واحدة على عهد رسول الله ﷺ فقال عمر يا رسول الله إن عبد الله طلق امرأته تطليقة واحدة وهي حائض فأمره رسول الله ﷺ أن يراجعها ويمسكها حتى تطهر ثم تحيض عنده حيضة أخرى ثم يمهلها حتى تطهر من حيضتها فإن أراد أن يطلقها فليطلقها حين تطهر قبل أن يجامعها فتلك العدة التي أمر الله تعالى أن يطلق لها النساء وكان عبد الله إذا سئل عن ذلك فقال لأحدهم أما أنت طلقت امرأتك مرة أو مرتين فإن رسول الله ﷺ أمرني بها فإن كنت طلقتها ثلاثا فقد حرمت عليك حتى تنكح زوجا غيرك وعصيت الله تعالى فيما أمرك من طلاق امرأتك