Sahih Muslim 679
صحيح مسلم#679SahihA'isha reported:When anyone amongst us (amongst the wives of the Holy Prophet) menstruated, the Messenger of Allah (ﷺ) asked her to tie a waist-wrapper over her (body) and then embraced her
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: 3:1