يَضَعُ فَاهُ عَلَى الْمَوْضِعِ الَّذِي أَشْرَبُ مِنْهُ فَيَشْرَبُ مِنْ فَضْلِ سُؤْرِي وَأَنَا حَائِضٌ .
It was narrated that 'Aishah said: "The Messenger of Allah (ﷺ) used to put his mouth on the place where I had drunk from, and he would drink from what was leftover by me, while I was menstruating."