title: Methodology of B-scan sonar cephalometry with electronic calipers and correlation with fetal birth weight.
mesh_terms: D001724:Birth Weight; D002508:Cephalometry / Q000295:instrumentation; D002585:Cesarean Section; D005314:Embryonic and Fetal Development; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008722:Methods; D011247:Pregnancy; D014463:Ultrasonography