Table 4.

Lesion-specific risk for eight CHD in offspring given one affected parent (%).¹⁴

Defect	Father affected	Mother affected
Atrial septal defect	1.5	4–4.5
Ventricular septal defect	2	6–10
Patent ductus arteriosus	2.5	3.5–4
Atrioventricular canal	1	14
Pulmonary stenosis	2	4–6.5
Aortic stenosis	3	13–18
Coarctation of the aorta	2	4
Tetralogy of Fallot	1.5	2.5

CHD: congenital heart disease.