(3) باب إزالة النجاسة وبيانها
Narrated 'Asma bint Abu Bakr (rad):
The Prophet (Saw) said regarding menstruation blood that smears a garment, "She should scrape it, rub it with water, then wash it and then she may pray in it". [Agreed upon] (IT)
Reference (IT): Bulugh al-Maram 30 (IT)
In-book reference (IT): Book 1, Hadith 35 (IT)
English translation (IT): Book 1, Hadith 34 (IT)