Sunan an-Nasa'i, hadith 379

أَخْبَرَنَا مُحَمَّدُ بْنُ مَنْصُورٍ، قَالَ حَدَّثَنَا سُفْيَانُ، عَنْ مِسْعَرٍ، عَنِ الْمِقْدَامِ بْنِ شُرَيْحٍ، عَنْ أَبِيهِ، قَالَ سَمِعْتُ عَائِشَةَ، تَقُولُ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يُنَاوِلُنِي الإِنَاءَ فَأَشْرَبُ مِنْهُ وَأَنَا حَائِضٌ ثُمَّ أُعْطِيهِ فَيَتَحَرَّى مَوْضِعَ فَمِي فَيَضَعُهُ عَلَى فِيهِ ‏.‏

It was narrated from Al-Miqdam bin Shuraih that his father said:"I heard 'Aishah say: 'The Messenger of Allah (ﷺ) would give me the vessel and I would drink from it, when I was menstruating, then I would give it to him and he would look for the place where I had put my mouth and put that to his mouth