[Machine] From his mother, Mawla Aisha, the wife of the Prophet ﷺ , she said: "Women used to send the menstrual cloth containing yellow discharge to Aisha, and she would say, 'Don't hurry until you see the white discharge. This means purity from menstruation.'" Ibn Bukair said: "The cotton pad is called "Qursuf"."
عَنْ أُمِّهِ مَوْلَاةِ عَائِشَةَ زَوْجِ النَّبِيِّ ﷺ أَنَّهَا قَالَتْ كَانَ النِّسَاءُ يَبْعَثْنَ إِلَى عَائِشَةَ بِالدُّرْجَةِ فِيهَا الْكُرْسُفُ فِيهِ الصُّفْرَةُ مِنْ دَمِ الْحَيْضِ فَتَقُولِ لَا تَعْجَلْنَ حَتَّى تَرَيْنَ الْقِصَّةَ الْبَيْضَاءَ تُرِيدُ بِذَلِكَ أَيِ الطُّهْرُ مِنَ الْحَيْضَةِ قَالَ ابْنِ بُكَيْرٍ الْكُرْسُفُ الْقُطْنُ