"Umm Habibah bint Jahsh asked the Messenger of Allah (ﷺ): 'O Messenger of Allah, I suffer from Istihadah.' He said: 'That is a vein, so perform Ghusl, then pray.' And she used to perform Ghusl for each prayer."
Sunan an-Nasa'i Book 3, Hadith 4
← Previous Hadith "When the time of menstruation comes, stop praying, and when it goes, perform Ghusl."

Sunan an-Nasa'i Book 3, Hadith 3 Next Hadith → "I saw her wash tub filled with blood." The Messenger of Allah (ﷺ) said to her: "Stop (praying) for as long as your period used to last, then perform Ghusl."

Sunan an-Nasa'i Book 3, Hadith 5