title: Editorial comment.
authors: C D Anthony
authors: CD
authors: Herndon
mesh_terms: D005260:Female; D006801:Humans; D006869:Hydronephrosis / Q000000981:diagnostic imaging*; D011247:Pregnancy; D016216:Ultrasonography, Prenatal; D014517:Ureteral Obstruction / Q000000981:diagnostic imaging* / Q000601:surgery*