Sahih Muslim
The Book of Menstruation (Kitab Al-Haid)
Book Number: 003 / Hadith Number: 589
Abu Huraira reported: While the Messenger of Allah (may peace be upon him) was in the mosque, he said: O 'A'isha, get me that garment. She said: I am menstruating. Upon this he remarked: Your menstruation is not in your hand, and she, therefore, got him that.