Oral contraceptives primarily prevent conception by

A. reducing the number of sperm that penetrate the cervix.
B. blocking sperm from reaching the ovum.
C. changing the acidity of the vaginal canal.
D. preventing ovulation by mimicking the hormonal activity of the corpus luteum.


D. preventing ovulation by mimicking the hormonal activity of the corpus luteum.

Oral contraceptives primarily prevent conception by preventing ovulation by mimicking the hormonal activity of the corpus luteum.

Health & Biomechanics

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