Birth control pills prevent fertilization by
A)altering the uterine environment so that sperm cannot survive.
B)preventing follicle development and ovulation.
C)providing hormonal signals that fertilization has already occurred.
D)inhibiting menstruation.
E)preventing implantation.

Question

Quizplus · Accepted Answer

Birth control pills often contain synthetic estrogen and progesterone (or a progestin) which inhibit the body's natural hormones responsible for follicle development and ovulation. Without ovulation, there is no egg to be fertilized, preventing pregnancy.

Birth Control Pills Prevent Fertilization by