title: Ultrasound volume measurements comparing a prolate ellipsoid method with a parallel planimetric area method against a known volume.
mesh_terms: D005260:Female; D006801:Humans; D008433:Mathematics; D008722:Methods; D008961:Models, Structural; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D014463:Ultrasonography