title: A progestin-releasing intrauterine device for long-term contraception.
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D005102:Health Expenditures; D006801:Humans; D007436:Intrauterine Devices, Medicated / Q000009:adverse effects / Q000191:economics; D016912:Levonorgestrel
chemical_list: D016912:Levonorgestrel