(10) باب الحيض
Narrated Umm Salamah (RAA):
During the lifetime of the Prophet (Peace be upon him) the women having bleeding after delivery (postnatal or puerperal blood) would refrain (from prayer) for forty days.[Reported by Al-Khamsa except An-Nasa'i, and the version is that of Abu Da'ud]. (ES)
Reference (ES): Bulugh al-Maram 150 (ES)
In-book reference (ES): Book 1, Hadith 179 (ES)
English translation (ES): Book 1, Hadith 161 (ES)