title: Unexplained infertility: can you guess the cause?
authors: Charlottesville Gynecology Specialists, Charlottesville, VA, USA. sue.woodson@gmail.com
authors: Sue A
authors: SA
authors: Woodson
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007247:Infertility, Female / Q000000981:diagnostic imaging / Q000209:etiology*; D007434:Intrauterine Devices / Q000009:adverse effects*; D007436:Intrauterine Devices, Medicated / Q000009:adverse effects*; D016912:Levonorgestrel / Q000009:adverse effects*; D010529:Peritoneal Cavity / Q000000981:diagnostic imaging; D011859:Radiography; D014463:Ultrasonography
chemical_list: D016912:Levonorgestrel