How do birth control pills prevent fertilization?
A)They alter the uterine environment so that sperm cannot survive.
B)They prevent follicle development and ovulation.
C)The provide hCG, indicating that fertilization has already occurred.
D)They inhibit menstruation.

Question

Quizplus · Accepted Answer

Birth control pills primarily work by preventing ovulation, which means no egg is released for fertilization. They do this by altering hormone levels, specifically by providing synthetic hormones that inhibit the natural hormonal cycle that leads to ovulation.

How Do Birth Control Pills Prevent Fertilization