1.

Cu ions released from copper releasing intrauterine devices (IUDs)A. Prevent ovulationB. Make uterus unsuitable for implantationC. Increase phagocytosis of spermsD. Supperss sperm motility

Answer» 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.


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