title: The natural course of early intrauterine urethral obstruction.
mesh_terms: D000328:Adult; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis* / Q000473:pathology; D005865:Gestational Age; D006801:Humans; D006869:Hydronephrosis / Q000175:diagnosis; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis; D014463:Ultrasonography; D014524:Urethral Obstruction / Q000175:diagnosis* / Q000473:pathology