Table 15-2.

Annual Birth Prevalence of Congenital Cardiovascular Defects in the United States^{5,7,12,13,63,64}

Type of Presentation	Rate per 1000 Live Births	Estimated Number (Variable With Yearly Birth Rate)
Fetal loss	Unknown	Unknown
Invasive procedure during the first year	2.4	9200
Detected during first year*	8	36 000
Bicuspid aortic valve	13.7	54 800

^*Includes stillbirths and pregnancy termination at <20 wk gestation; includes some defects that resolve spontaneously or do not require treatment.