Table 5.

Detection of specific cardiac defects using increased fetal nuchal translucency thickness

Cardiac defect	No (%) of fetuses	Nuchal translucency
		No (%) >95th centile	No (%) >99th centile
Tetralogy of Fallot	9 (18)	2 (22)	2 (22)
Hypoplastic left heart	3 (6)	2 (67)	1 (33)
Transposition of great arteries	8 (16)	4 (50)	3 (38)
Coarctation of aorta, aortic stenosis, or atresia	10 (20)	10 (100)	8 (80)
Ventricular and atrioventricular septal defects	8 (16)	4 (50)	1 (13)
Other defects	12 (24)	6 (50)	5 (42)
Total	50 (100)	28 (56)	20 (40)