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Question

Cu ion released from copper-releasing intra uterine devices (IUDs)

A
Increase phagocytosis of sperms
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B
Suppress sperm motility
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C
Prevents ovulation
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D
Make uterus unsuitable for implantation
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Solution

The correct option is A Suppress sperm motility
Copper T is an intrauterine device which releases copper ions in the uterine cavity. This is the device used for the prevention of contraception and pregnancy. The copper ions suppress the sperm motility and prevent fertilization.
Thus, the correct answer is option B.

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