Sunan Abi Dawud 291
سنن أبي داود#291SahihAishah said:Umm Habibah had a prolonged flow of blood for seven years. The Messenger of Allah (ﷺ) commanded her to take bath; so she used to take bath for every prayer
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Zubair Ali ZaiSahih Bukhari (327) Sahih Muslim (334)
In-book reference: 1:291