Sahih Muslim | Book 3 | Hadith Number 651

Narrated by 'Aisha
'Aisha reported: Asma' b. Shakal came to the Messenger of Allah (may peace be upon him) and said: Messenger of Allah, how one amongst us should take a bath after the menstruation, and the rest of the hadith is the same and there is no mention of bathing because of sexual intercourse.