Sunan Ibn Majah 630
سنن ابن ماجه#630SahihIt was narrated that 'Aisha the wife of the Prophet said:"One of us used to menstruate, then rub the blood off her garment when she became pure again, and wash it, and sprinkle water over the rest of the garment, then perform prayer in it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Bukhari
In-book reference: 1:364