title: Long-acting progestogen-only contraception.
mesh_terms: D003271:Contraceptive Agents, Female / Q000494:pharmacology; D003276:Contraceptives, Oral / Q000494:pharmacology; D003280:Contraceptives, Oral, Synthetic / Q000494:pharmacology; D003692:Delayed-Action Preparations; D006801:Humans; D016912:Levonorgestrel / Q000494:pharmacology; D017258:Medroxyprogesterone Acetate / Q000494:pharmacology; D045167:Progesterone Congeners / Q000494:pharmacology; D011372:Progestins / Q000494:pharmacology
chemical_list: D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003280:Contraceptives, Oral, Synthetic; D003692:Delayed-Action Preparations; D045167:Progesterone Congeners; D011372:Progestins; D016912:Levonorgestrel; D017258:Medroxyprogesterone Acetate