14. Oral pills of birth control prevent A.Ovulation B.Fertilization C.Pregnency D.Entery of sperm in uterus
Answer: Option A Solution: Oral contraceptives (birth-control pills) are used to prevent pregnancy. Estrogen and progestin are two female sex hormones. Combinations of estrogen and progestin work by preventing ovulation (the release of eggs from the ovaries).
