Long-acting steroid contraceptive technology.
D000569:Americas; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003274:Contraceptive Devices, Female; D003278:Contraceptives, Oral, Hormonal; D003710:Demography; D019049:Developed Countries; D005193:Family Planning Services; D007267:Injections; D007434:Intrauterine Devices; D007436:Intrauterine Devices, Medicated; D009656:North America; D011153:Population; D011157:Population Dynamics; D013997:Time Factors; D014481:United States
D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003278:Contraceptives, Oral, Hormonal
Americas; Biodegradable Delivery Systems; Contraception; Contraception Research; Contraceptive Agents; Contraceptive Agents, Estrogen; Contraceptive Agents, Female; Contraceptive Agents, Progestin; Contraceptive Implants; Contraceptive Methods; Demographic Factors; Developed Countries; Family Planning; Injectables; Iud; Iud, Hormone Releasing; North America; Northern America; Population; Population Dynamics; Time Factors; United States; Vaginal Rings