(25) باب الصُّفْرَةِ وَالْكُدْرَةِ فِي غَيْرِ أَيَّامِ الْحَيْضِ
Narrated Um `Atiya:
We never considered yellowish discharge as a thing of importance (as menses).
Reference: Sahih al-Bukhari 326
In-book reference: Book 6, Hadith 31
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 6, Hadith 323