title: Injectable contraceptives: safe and effective.
mesh_terms: D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D005193:Family Planning Services; D007267:Injections; D017258:Medroxyprogesterone Acetate; D008599:Menstruation Disturbances; D009369:Neoplasms; D009640:Norethindrone; D011057:Politics
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D017258:Medroxyprogesterone Acetate; D009640:Norethindrone
keywords: Cancer; Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Progestin; Contraceptive Methods--side effects; Depo-provera; Family Planning; Injectables--side effects; Medroxyprogesterone Acetate; Menstruation Disorders; Norethindrone; Norethindrone Enanthate; Political Factors; Reversibility