Congenital heart defects (CHDs) are the most common birth defects, affecting approximately 1% of live births. Some prevalent types include: - Atrial Septal Defect (ASD): A hole in the wall between the atria. - Ventricular Septal Defect (VSD): A hole in the wall between the ventricles. - Tetralogy of Fallot: A combination of four heart defects. - Transposition of the Great Arteries (TGA): The position of the main arteries is switched.
