title: The vaginal contraceptive pill.
mesh_terms: D001695:Biology; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003274:Contraceptive Devices, Female; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D005193:Family Planning Services; D005835:Genitalia; D005836:Genitalia, Female; D010827:Physiology; D014566:Urogenital System; D014621:Vagina
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined
keywords: Biology; Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Methods--administraction and dosage; Family Planning; Genitalia; Genitalia, Female; Oral Contraceptives, Combined; Oral Contraceptives--administraction and dosage; Physiology; Urogenital System; Vagina; Vaginal Rings