Fig. 7From: A new classification of congenital abnormalities of UPVS: sonographic appearances, screening strategy and clinical significanceSonographic images of fetal normal connection and anatomic variants of the intrahepatic portal veins. The normal course of the intrahepatic portal veins (a, b). Different types of portal vein variants: Type 1, portal vein trifurcation (c, d); Type 2, the PRPV originates as the first branch of MPV (e, f); Type 3, the ARPV originates from the LPV (g, h)Back to article page