Sunan an-Nasa'i · Hadith 3558
The Book of Divorce - كتاب الطلاق
أخبرنا يوسف بن عيسى، - مروزي - قال حدثنا الفضل بن موسى، قال حدثنا حنظلة، عن سالم، عن ابن عمر، أنه طلق امرأته وهي حائض فأمره رسول الله صلى الله عليه وسلم فراجعها .
It was narrated from Ibn 'Umar that he divorced his wife when she was menstruating, and the Messenger of Allah told him to take her back.
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).