Prenatal diagnosis
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Prenatal diagnosis of neonatal coarctation of the aorta (CoA) is challenging; there is a high false-positive rate, yet 60-80% are not identified prenatally. We aimed to identify novel fetal echocardiographic measures to improve prenatal identification of CoA. ⋯ Fetal LCSA, AAo-DAo angle, and TAo-DAo angles are novel measures that can differentiate between subjects with and without CoA.