Sahih al-Bukhari 2037
صحيح البخاري#2037SahihNarrated `Aisha:One of the wives of Allah's Messenger (ﷺ) practiced I`tikaf with him while she had bleeding in between her periods and she would see red (blood) or yellowish traces, and sometimes we put a tray beneath her when she offered the prayer
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 33:12