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Q.

The function of copper ions in copper releasing IUDs is

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a

they inhibit gametogenesis

b

they make uterus unsuitable for implantation

c

they inhibit ovulation

d

they suppress sperm motility and fertilising capacity of sperms

answer is D.

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Detailed Solution

IUDs increase phagocytosis of sperms within the uterus and the Cu ions released suppress sperm motility and the fertilising capacity of sperms.

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