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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 combined pill ?

A

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

B

These prevent the physical meeting of sperm and ovum.

C

These increase the phagocytosis of sperms within the uterus . These also suppress sperm motility and the fertilizing capacity of sperms.

D

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

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The correct Answer is:
A
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