It is narrated from Sayyiduna Ibn Abbas (may Allah be pleased with them both) that a man said: O Messenger of Allah, what may I enjoy of my wife when she is menstruating? He (peace and blessings be upon him) said: "Let her tie her waist-wrap, then do as you wish."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 10719