English translation
[3657] 4 - (...) 'Abdullāh bin 'Umar said: "I divorced my wife while she was menstruating. 'Umar mentioned that to the Prophet ﷺ and the Messenger of Allāh ﷺ got angry and said: 'Tell him to take her back until she has menstruated again, a menses other than that in which he divorced her. Then if he wants to divorce her, let him divorce her when she is pure of menses and before he has intercourse with her. That is divorce at the time prescribed by Allāh.'"' 'Abdullāh had divorced her once, and that was counted as one divorce. And 'Abdullāh took her back as the Messenger of Allāh ﷺ commanded him.
