Jmy' bin 'Umayr bin Afaq جميع بن عمير بن عفاق · The Book of Menstruation and Istihadah

"I entered upon 'Aishah with my mother and maternal aunt, and we asked her what the Prophet (ﷺ) used to do when one of (his wives) was menstruating. She said: He would tell us, when when of us menstruated, to wrap a wide Izar around herself then he would embrace her chest and breasts.