Sunan an-Nasa'i 373
سنن النسائي#373SahihIt was narrated that 'Aishah said:"The Messenger of Allah (ﷺ) would tell one of us, if she was menstruating, to tie her Izar (waist wrap) tightly then he would fondle her
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: 3:25