Sahih Muslim 682
صحيح مسلم#682SahihKuraibthe freed slave of Ibn Abbas, reported:I heard it from Maimuna, the wife of the Messenger of Allah (way peace be upon him): The Messenger of Allah (ﷺ) used to lie with me when I menstruated, and there was a cloth between me and him
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 3:4