the most frequent congenital heart defects ( chd ) were ventricular septal defect ( vsd ) ( 31.41 % ) , atrial septal defect ( asd ) ( 11.37 % ) , aortic stenosis ( as ) ( 7.64 % ) , pulmonary stenosis ( ps ) ( 7.13 % ) , coarctation of the aorta ( coa ) ( 5.77 % ) , and transposition of the great arteries ( tga ) ( 5.43 % ) , followed by persistent ductus arteriosus ( pda ) ( 4.75 % ) , atrioventricular septal defect ( avsd ) and hypoplastic left heart syndrome ( hlhs ) ( 4.07 % each ) , tetralogy of fallot ( tf ) ( 3.56 % ) , and pulmonary atresia ( pa ) ( 2.38 % ) .
C0018798
congenital heart defects
C0152101
hypoplastic left heart