Sahih Muslim Book - 18, Hadith - 3670

وَحَدَّثَنِى هَارُونُ بْنُ عَبْدِ اللَّهِ حَدَّثَنَا حَجَّاجُ بْنُ مُحَمَّدٍ قَالَ قَالَ ابْنُ جُرَيْجٍ أَخْبَرَنِى أَبُو الزُّبَيْرِ أَنَّهُ سَمِعَ عَبْدَ الرَّحْمَنِ بْنَ أَيْمَنَ مَوْلَى عَزَّةَ يَسْأَلُ ابْنَ عُمَرَ وَأَبُو الزُّبَيْرِ يَسْمَعُ ذَلِكَ كَيْفَ تَرَى فِى رَجُلٍ طَلَّقَ امْرَأَتَهُ حَائِضًا فَقَالَ طَلَّقَ ابْنُ عُمَرَ امْرَأَتَهُ وَهْىَ حَائِضٌ عَلَى عَهْدِ رَسُولِ اللَّهِ -صلى الله عليه وسلم- فَسَأَلَ عُمَرُ رَسُولَ اللَّهِ -صلى الله عليه وسلم- فَقَالَ إِنَّ عَبْدَ اللَّهِ بْنَ عُمَرَ طَلَّقَ امْرَأَتَهُ وَهْىَ حَائِضٌ. فَقَالَ لَهُ النَّبِىُّ -صلى الله عليه وسلم- « لِيُرَاجِعْهَا ». فَرَدَّهَا وَقَالَ « إِذَا طَهَرَتْ فَلْيُطَلِّقْ أَوْ لِيُمْسِكْ ». قَالَ ابْنُ عُمَرَ وَقَرَأَ النَّبِىُّ -صلى الله عليه وسلم- يَا أَيُّهَا النَّبِىُّ إِذَا طَلَّقْتُمُ النِّسَاءَ فَطَلِّقُوهُنَّ فِى قُبُلِ عِدَّتِهِنَّ.

Abu Az-Zubair narrated that he heard 'Abdur-Rahman bin Ayman, the freed slave of 'Azzah, asking Ibn 'Umar, and Abu Az-Zubair heard that: "What do you think of a man who divorces his wife when she is menstruating?" He said: "Ibn 'Umar divorced his wife while she was menstruating, at the time of the Messenger of Allah (s.a.w)." 'Umar asked the Messenger of Allah (s.a.w) (about it), saying: ''Abdullah bin 'Umar has divorced his wife when she is menstruating.' The Prophet (s.a.w) said to him: 'Let him take her back.' So he took her back. And he said: 'When she becomes pure, let him divorce her or let him keep her."' Ibn 'Umar said: "And the Prophet (s.a.w) recited the words: O Prophet! When you divorce women, divorce them at their 'Iddah (prescribed periods) ..."