Table II.

Fetuses with increased NT. normal karyotype and abnormalities diagnosed at birth or at 1 to 18 months of age (n=18 fetuses with 20 abnormalities)

Abnormalities detected postnatally	NT (mm)
Cardiac defect
Pulmonary stenosis and pulmonary valve dysplasia	3.2
Pulmonary valve dysplasia and atrial septal defect	3.8
Pulmonary valve stenosis	3.2
Coarctation of the aorta	4.0
Ventricular Septal Defect	3.4
Ventricular Septal Defect	3.0
Ventricular Septal Defect*	6.6
Wolf-ParkinsonWhite	3.4
Malformations
Hypospadias	3.2
Macrocephaly with hydrocephaly	3.6
Cervical fistula	4.2
Hip dysplasia	3.7
Torticolis	3.4
Neurological impairment
Epilepsy	3.8
Ataxia with occular motricity dysfunction	3.2
Syndromes
Osmed# 163950**	6.4
Noonan# 163950**	9.0
Ventricular septum defect, polydactyly, single umbilical artery, growth retardation, unidentified syndrome *	6.6
Developmental delay
Isolated	3.2
associated with the unidentified syndrome *	6.6

^*Abnormalities diagnosed in the same infant*

^**OMIM number