Sunan an-Nasa'i 387
سنن النسائي#387SahihIt was narrated that 'Aishah said:"The Prophet (ﷺ) would put his head out while he was performing I'tikaf and I would wash it, while I was menstruating
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 3:40