title: Ultrasonographic antenatal demonstration of primary megaureters.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014463:Ultrasonography; D014513:Ureter / Q000002:abnormalities*