Incidence, distribution, disease spectrum, and genetic deficits of congenital heart defects in China: implementation of prenatal ultrasound screening identified 18,171 affected fetuses from 2,452,249 pregnancies

Abstract excerpt

BACKGROUND: Congenital heart defects (CHDs) are the most common birth defects. Assessment of the incidence, distribution, disease spectrum, and genetic deficits of fetal CHDs in China is urgently needed. METHODS: A national echocardiography screening program for fetal CHDs was implemented in 92 prenatal screening-diagnostic centers in China. FINDINGS: A total of 18,171 fetal CHD cases were identified from...

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