´It was narrated from Ibn 'Umar that:` he divorced his wife when she was menstruating, and 'Umar mentioned that to the Prophet (ﷺ). He said: "Tell him to take her back then divorce her when she is pure (not menstruating) or pregnant."
Hadith ReferenceSunan Ibn Majah / The Chapters on Divorce / Hadith: 2023
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:متفق عليه