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Sonograms of the fetus of coarctation of the aorta at the sagittal view. The sagittal view shows that the ascending aorta goes straight upward and gives off three brachiocephalic arteries while the aortic arch does not appear. AO: aorta; DA: ductus arteriosus; DAO: descending aorta; IA: innominate artery; LCCA: left common carotid artery; LSA: left subclavian artery
