1. A contraceptive in the form of a pill containing oestrogen and progestin to inhibit ovulation and so prevent conception
   - pill, contraceptive pill, oral contraceptive pill, oral contraceptive, anovulatory drug, anovulant

Derived forms: birth control pills

Type of: birth control device, contraceptive, contraceptive device, preventative, preventive, prophylactic device

Encyclopedia: Birth control pill

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