Birth control pill and Birth control

Birth control pill noun - A contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception.

Birth control and birth control pill are semantically related. In some cases you can use "Birth control" instead a noun phrase "Birth control pill".

Birth control noun - Limiting the number of children born.

Birth control pill and birth control are semantically related. You can use "Birth control pill" instead a noun phrase "Birth control".