congenital heart lesions were diagnosed in 1159 ( 0.18 per cent ) , the majority being mitral valve prolapse ( mvp ; 0.08 per cent ) , small ventricular septal defects ( vsd ; 0.04 per cent ) , mild pulmonary stenosis ( ps ; 0.03 per cent ) , and small atrial septal defects ( asd ; 0.02 per cent ) .
C0018787
heart
C0018818
vsd