Sunan an-Nasa'i — The Book of Purification — Hadith No: 111

It was narrated that 'Aishah, may Allah be pleased with her, said:"While I was menstruating, I would nibble meat from a bone and the Messenger of Allah (ﷺ) would put his mouth where mine has been. And while I was menstruating, I would drink from a vessel and he would put his mouth where mine had been

It was narrated that 'Aishah said:"Fatimah bint Abi Hubaish suffered from Istihadah and she asked the Prophet (ﷺ): 'O Messenger of Allah, I suffer from Istihadah and I do not become pure; should I stop praying?' The Messenger of Allah (ﷺ) said: 'That is a vein and is not menstruation. When your period comes, stop praying, and when it goes wash the traces of blood from yourself and do Wudu'. That is a vein and is not menstruation.'" It was said to him (one of the narrators): "What about Ghusl?" He said: "No one is in doubt about that

It was narrated from Al-Miqdam bin Shuraih, from his father, that 'Aishah said:"The Messenger of Allah (ﷺ) would put his mouth on the place from which I had drunk, and he would drink from my leftovers when I was menstruating

It was narrated from Jubair bin Mut'im that mention of Ghusl was made in the presence of the Prophet (ﷺ) and he said:"As for me, I pour water on my head three times