birth control
noun [ U ] uk/ˈbɜːθ kənˌtrəʊl/ us/ˈbɝːθ kənˌtroʊl/
节育;避孕
the various methods or types of equipment that allow people to have sex without having children
[ before noun ] a new type of birth-control pill 一种新型的避孕药
Compare: family planning