Jami` at-Tirmidhi 125
جامع الترمذي#125SahihAishah narrated:"Fatimah bint Abi-Hubaish came to the Prophet and said: 'O Messenger of Allah! I am a woman who suffers from persistent bleeding and I do not become clean. Shall I give up Salat?' He said: 'No. That is only a bIood vessel, it is not menstruation. When your menstruation begins then leave the Salat. And when it ends, then wash the blood from you and perform Salat
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 1:125