Figure 1

Prenatal echocardiographic and cast demonstration of a fetus with right-sided ductus arteriosus (Case 13, Table 2). (a) A tortuous right-sided ductus was detected by ultrasound, which connecting right pulmonary with descending aorta. (b), (c) Cast specimen also showed a tortuous ductus (arrow) connecting to descending aorta (right anterior 45° view). DA, ductus arteriosus; AO, aorta; DAO: descending aorta; LPA, left pulmonary artery; RPA, right pulmonary artery; RV, right ventricle; RAA, right atrial appendage; LAA, left atrial appendage; SVC, superior vena cava.