Umm Salamah narrated: “While I was lying down with the Messenger of Allah صلی اللہ علیہ وآلہ وسلم, under a blanket, my period came, so I slipped away and put on the clothes I used to wear when I was menstruating The Messenger of Allah صلی اللہ علیہ وآلہ وسلم said: ‘Are you menstruating?’ I said: ‘Yes.’ Then he called me to lie down with him under the blanket.” This is the wording of ‘Ubaidullah bin Saeed.(Sahih)