Sunan an-Nasa'i 263
سنن النسائي#263SahihIt was narrated from Anas bin Malik that the Messenger of Allah (ﷺ) went around all his wives and only performed Ghusl once
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: 1:264