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.
E)They prevent implantation.

Question

Quizplus · Accepted Answer

Birth control pills prevent fertilization by preventing follicle development and ovulation. This means that eggs are not released from the ovaries, and therefore cannot be fertilized by sperm. Without ovulation, there is no chance for fertilization to occur.

How Do Birth Control Pills Prevent Fertilization