Sunan an-Nasa'i 368
سنن النسائي#368SahihIt was narrated that Muhammad said:"Umm 'Atiyah said: 'We used not to regard yellowish and brownish discharge as anything important
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Bukhari
In-book reference: 3:20