Question

Birth control pills are a popular form of contraception for women. How do birth control pills prevent pregnancy?

A.
by covering the cervix and blocking sperm from entering the uterus
B.
by blocking the fallopian tubes and keeping the eggs from reaching the uterus
C.
by introducing female hormones that prevent the ovaries from releasing eggs

Answer 1

Answer:Most birth control pills are "combination pills" containing a mix of the hormones estrogen and progesterone to prevent ovulation (the release of an egg during the monthly cycle). A woman cannot get pregnant if she doesn't ovulate because there is no egg to be fertilized.