Oman no kata, a concubine whose father had the position of mere Sangi (councilor), could not be an exception and there is a popular belief that she was given abortive medicine every time she became pregnant or was forced to take contraceptive.
父・六条有純が参議に過ぎない側室のお万も決して例外ではなく、妊娠するたびに堕胎薬を盛られていた、あるいは不妊薬を飲まされていたという俗説もある。