title: Where next with long-acting steroids?
authors.forename: D M
authors.initials: DM
authors.lastname: Potts
authors.forename: A J
authors.initials: AJ
authors.lastname: Siemens
mesh_terms: D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003274:Contraceptive Devices, Female; D004467:Economics; D004958:Estradiol; D004967:Estrogens; D005193:Family Planning Services; D006728:Hormones; D007267:Injections; D016912:Levonorgestrel; D009640:Norethindrone; D012102:Reproductive Control Agents; D012106:Research; D013672:Technology
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D004967:Estrogens; D006728:Hormones; D012102:Reproductive Control Agents; D004958:Estradiol; D016912:Levonorgestrel; D009640:Norethindrone
keywords: Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Progestin; Contraceptive Implants; Contraceptive Methods; Economic Factors; Estradiol; Estrogens; Family Planning; Hormones; Injectables; Levonorgestrel; Norethindrone; Reproductive Control Agents; Research And Development; Technology; Vaginal Rings