Human ReproductionHard
Question
Cu ions released from copper relasing Intra Uterine Devices (IUDs)
Options
A.make uterus unsuitable implantation
B.increase phagocytosis of sperms
C.suppose sperm motility
D.prevent ovulation
Solution
Intra - uterine device (IUD) is a small devices made up of copper, plastic or stainless steel. It is inserted into uterus by a doctor and left in place. It prevents implantation. It can be left in place for a long periods. It may causes bleeding and discomfort. IUD may come out.
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