فَرَدَّهَا عَلَيْهِ رَسُولُ اللَّهِ صلى الله عليه وسلم حَتَّى طَلَّقَهَا وَهِيَ طَاهِرٌ .
It was narrated from Ibn 'Umar that he divorced his wife when she was menstruating, but the Messenger of Allah told him to take her back, and divorce her when she was pure (not menstruating).
وَعَنِ اِبْنِ عُمَرَ - رَضِيَ اَللَّهُ عَنْهُمَا { أَنَّهُ طَلَّقَ اِمْرَأَتَهُ - وَهِيَ حَائِضٌ - فِي عَهْدِ رَسُولِ اَللَّهِ - صلى الله عليه وسلم -فَسَأَلَ عُمَرُ رَسُولَ اَللَّهِ - صلى الله عليه وسلم -عَنْ…
‘Abdullāh ibn ‘Umar (may Allah be pleased with him) reported that he divorced his wife while she was menstruating. So, ‘Umar (may Allah be pleased with him) informed the Messenger of Allah (may Allah’s peace and blessings be upon him) about that, and he became furious at him and said: “Let him take…