Ventricular septal defect is a hole in the wall between the right and left ventricles of the heart. This abnormality usually develops before birth and is found most often in infants. The ventricles ...

All about birth defects: How they occur, how they’re treated and how to prevent. A birth defect is a problem that occurs when a baby is developing in utero (in the womb). Approximately 1 out of every ...

Birth defects affect 3% of pregnancies in the United States. Screening and diagnostic tests during pregnancy can identify many birth defects. Parents can take critical steps to help prevent certain ...