Hadith 648
´It was narrated that Umm Salamah said:` "At the time of the Messenger of Allah, women in postnatal bleeding (after childbirth) used to wait for forty days, and we used to put Wars on our faces because of freckles."
Hadith 649
´It was narrated that Anas said:` "The Messenger of Allah set the time for postnatal bleeding at forty days, except for one who becomes pure before that."