Diagnostic ultrasound and its obstetric applications.
D001835:Body Weight; D000013:Congenital Abnormalities / Q000175:diagnosis; D005260:Female; D005328:Fetal Viability; D005333:Fetus / Q000033:anatomy & histology / Q000502:physiology; D005865:Gestational Age; D006128:Growth; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D011272:Pregnancy, Multiple; D011296:Prenatal Diagnosis / Q000379:methods*; D014463:Ultrasonography