It was narrated from Muawiyah bin Abi Sufyan that he asked Umm Habibah, the wife of the Prophet صلی اللہ علیہ وآلہ وسلم: “Did the Messenger of Allah صلی اللہ علیہ وآلہ وسلم pray in a garment in which he had had intercourse?” She said: “Yes, so long as he saw no filth on it.” (Sahih)