(10) باب الحيض
Narrated Umm `Atiyah (RAA):
After we were pure, we did not consider the yellow or muddy discharge to be anything (i.e. of the menses blood)[Reported by Al-Bukhari and Abu Dawud and the wording is of Abu Dawud].
Reference: Bulugh al-Maram 143
In-book reference: Book 1, Hadith 172
English translation: Book 1, Hadith 154