Ruwaifi' b. Thabit. reported God’s Messenger as saying on the day of Hunain, “It is not lawful for a man who believes in God and the last day to water what another has sown with his water (meaning intercourse with women who are pregnant); it is not lawful for a man who believes in God and the last day to have intercourse with a captive woman till she has had a menstrual period; and it is not lawful for a man who believes in God and the last day to sell spoil till it is divided.”
Abu Dawud transmitted it, and Tirmidhi transmitted it up to “what another has sown with his water.”