Benefits of ultrasonic screening of a pregnant population.
D000328:Adult; D000013:Congenital Abnormalities / Q000175:diagnosis*; D003362:Cost-Benefit Analysis; D005069:Evaluation Studies as Topic; D005260:Female; D005317:Fetal Growth Retardation / Q000175:diagnosis; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008403:Mass Screening; D008875:Middle Aged; D010923:Placenta Previa / Q000175:diagnosis; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D011272:Pregnancy, Multiple; D014463:Ultrasonography