A) make uterus unsuitable for implantation
B) increase phagocytosis of sperms
C) suppress sperm motility
D) prevent ovulation
Correct Answer: A
Solution :
Intra-uterine device (IUD) is a small device 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 long periods. It may cause bleeding - and discomfort. IUD may come out.
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