LVNC caused by MYH7 and MYBPC3 mutations often complicated congenital heart diseases (CHD), such as atrial septal defect, ventricular septal defect, Ebstein, tetralogy of Fallot, patent ductus arteriosus, patent foramen ovale, and aortic hypoplasia. Here, MYBPC3 is linked to ventricular septal defect 1.