وَعَنْ عَائِشَةَ رَضِيَ اَللَّهُ عَنْهَا
قَالَتْ: «كَانَ رَسُولُ اَللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَأْمُرُنِي فَأَتَّزِرُ، فَيُبَاشِرُنِي وَأَنَا حَائِضٌ»
When I was menstruating, the Prophet (sallallahu alayhi wa sallam) saws would order me to wrap myself up (with an Izar, which is a dress worn below the waist) and would start fondling me. Reported by Al-Bukhari and Muslim.