Copper ions released from copper-releasing Intrauterine Devices (IUDs) :
A
prevent ovulation
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B
prevent menstrual cycle
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C
suppress sperm motility
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D
prevent spermatogenesis
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Solution
The correct option is C suppress sperm motility
Copper IUDs primarily work by negatively affecting sperm motility and damaging sperm so that fertilisation can be prevented.Copper acts as a spermicide within the uterus.