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Which of the following is the correct de...

Which of the following is the correct description of the mechanism of action of a copper IUD?

A

These inhibit ovulation and implantation as well as alter the quality of cervical mucus to prevent or retard entry of sperms.

B

These increase phagocytosis of sperms within the uterus and the certain ions released from it suppress sperm motility and the fertilising capacity of sperms.

C

Ovum and sperms are prevented from physically meeting.

D

These prevent conception by blocking the entry of sperms through the cervix.

Text Solution

Verified by Experts

The correct Answer is:
B
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