Baby Heart Disease Is Unexpectedly Common. Sources- peds_padiamond PMID 36560711 PMID 25442062 Congenital heart disease (CHD), a structural problem with the heart present at birth, is one of the most common birth defects. While some cases occur for unknown reasons or are linked to unavoidable genetic factors, research shows that certain risk factors can be reduced to help lower the chance of CHD developing during pregnancy. Some of the modifiable risk factors include maternal health conditions a