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

Derived forms: oral contraceptive pills

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

Encyclopedia: Oral contraceptive pill

• class Gastromycetes
• class Gastropoda
• class Ginkgophytina
• class Ginkgopsida
• class Gnetopsida
• class Gymnospermae
• class Hemiascomycetes
• class Hepaticae
• class Hepaticopsida
• class Heterokontae
• class Hexapoda
• class Hirudinea
• class Holothuroidea
• class Hyalospongiae
• class Hydrozoa
• class Hymenomycetes
• class Insecta
• class Lamellibranchia
• class Larvacea
• class Liliopsida
• class list
• class Lycopodiate
• class Lycopodineae
• class Lycopsida
• class Magnoliopsida