Umm al-Mu'mineen Sayyidah Aisha (may Allah be pleased with her) said: When any one of us would menstruate, the Messenger of Allah (peace and blessings be upon him) would command her to tie a waist-wrapper, and then he would have intimacy with her.
Hadith Referenceسنن دارمي / من كتاب الطهارة / 1083