Figure 2

Mean flows in the major vessels of the human fetal circulation by phase contrast MRI. Mean flows in ml/kg/min (left) and proportions of the combined ventricular output (right) in the major vessels of the human fetal circulation by phase contrast MRI. Ascending aorta (AAo), main pulmonary artery (MPA), ductus arteriosus (DA), pulmonary blood flow (PBF), descending aorta (DAo), umbilical artery (UA), umbilical vein (UV), inferior vena cava (IVC), superior vena cava (SVC), right atrium (RA), foramen ovale (FO), left atrium (LA), right ventricle (RV), left ventricle (LV).