title: Duplex ultrasound diagnosis of umbilical cord prolapse.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007744:Obstetric Labor Complications / Q000175:diagnosis*; D011247:Pregnancy; D011391:Prolapse; D014463:Ultrasonography / Q000379:methods*; D014470:Umbilical Cord