Women Who Use Birth Control Pills Are at a Greater

Women who use birth control pills are at a greater risk of:

A) becoming irreversibly infertile, if they've used them on a regular basis.
B) developing benign liver tumors, if they've taken them for more than five years.
C) developing thrombosis, if they have a good blood circulatory system.
D) having a heart attack, if they're under 35 and don't smoke.