(Imām Bukhārī narrates): Qutaibah bin Sa'id narrated to us, he said: Isma'il narrated to us, from Ayyub, from Muhammad, from Hazrat Umm Atiyyah (may Allāh be pleased with her), she said:
We did not count muddy and yellow color (as menstruation) at all.
حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا إِسْمَاعِيلُ، عَنْ أَيُّوبَ، عَنْ مُحَمَّدٍ، عَنْ أُمِّ عَطِيَّةَ
كُنَّا لاَ نَعُدُّ الكُدْرَةَ وَالصُّفْرَةَ شَيْئًا
Reference: Sahih Al Bukhari 326