Summary | They are the most mon type of birth defect.CHDs
affect nearly 1 percent of, or 40,000, births per year in
theUnited States.About 25 percent of babies with a CHD have a
critical CHD.During 1999 to 2006, there were 41,494 deaths
related to CHDs in the United States.This means that CHDs were
either the main cause of death or contributed to death in some ...
en.ce.cn | 06 December 2017