Correct Answer - c,d
(cd) Intre Uterine Devices (IUDs) are inserted by doctors in the uteerus through Vagina. These intra Uterine Devices are availaable as the non-medicated IUDs (e.g. Lippes looo) copper releasing IUDs (C `mu` T, Cu7, multiload 375) and the hormone releasing phagocytosis of sperms within the uterus and the Cu ions released suppress sperm motility and the fertilizing capacity of sperms.
