Ultrasound scan showed that the portal vein curved towards the liver The fetal gall bladder located medically to the umbilical vein i.e.between the umbilical vein & the stomach.the umbilical vein is abnormally connected to the right portal vein instead of to the left portal vein.this is consistent with persistent right umbilical vein.persistent right umbilical vein is a vascular pathology in which the left umbilical vein becomes occluded & the right umbilical vein persists and remains open.this condition may associate with kidney and heart abnormality.in the absent of these anomalies,it does not have significant clinical implementation and is likely a normal variant