birth-control pill

[burth-kuh n-trohl] /ˈbɜrθ kənˌtroʊl/
noun
1.
an oral contraceptive for women, containing the hormones estrogen and progesterone or progesterone alone, that inhibits ovulation, fertilization, or implantation of a fertilized ovum, causing temporary infertility.
Origin
1955-60