Hadith 540
´It was narrated from Mu'awiyah bin Abu Sufyan that:` He asked his sister Umm Habibah, the wife of the Prophet: "Did the Messenger of Allah ever offered prayer in a garment in which he had sexual intercourse?" She said: "Yes, if there was nothing noxious on it."
Hadith 541
´It was narrated that Abu Darda' said:` "The Messenger of Allah came out to us with water dripping from his head, and he led us in prayer wearing a single garment, placing its one end on the right shoulder, and the other end on the other shoulder. When he finished praying, 'Umar bin Khattab said to him: 'O Messenger of Allah, did you lead us in prayer wearing a single garment? He said: 'Yes, I perform prayer in it, and in it I (i.e. I had sexual intercourse in it)."
Hadith 542
´It was narrated that Jabir bin Samurah said:` "A man asked the Prophet whether he could perform prayer in a garment in which he had intercourse with his wife. He said: 'Yes, unless he sees something on it, in which case he should wash it.'"