Table 2.

Children with major heart defects not detected prenatally.

Diagnosis	Karyotype	Associated anomalies	Outcome
Tetralogy of Fallot			Surgical repair
Transposition of the great arteries			Surgical repair
Double-outlet right ventricle, VSD	Trisomy 13	Agenesis of corpus callosum and cleft lip/palate	Died three days after delivery
Aortic valve stenosis and IAA			Surgical repair
IAA, aorta stenosis, VSD	22q11.2 deletion		Surgical repair
Coarctation of the aorta			Surgical repair
Coarctation of the aorta			Surgical repair
Atrioventricular septal defect	Normal		IUFD
Ventricular septal defect	Trisomy 18	Horseshoe kidney	IUFD
Ventricular septal defect, mild pulmonary stenosis			Surgical repair
Pulmonary stenosis, VSD		Bilateral pes equino varus	Invasive balloon dilatation
Pulmonary stenosis, supravalvular aorta stenosis			Invasive balloon dilatation
Pulmonary stenosis			Invasive balloon dilatation

IAA: interrupted aortic arch; VSD: ventricular septal defect; IUFD: intrauterine fetal death.