The liver diseases of pregnancy are specific liver disorders during the pregnancy. The principal hepatic anomaly during hyperemesis gravidarum is a reversible augmentation of liver enzymes under reanimation. Intrahepatic cholestasis of pregnancy occur during the last 2 trimesters of pregnancy, manifested usually by pruritus preceeding a jaundice. The liver enzymes and the serum biliary acids are augmented. The acute fatty liver of pregnancy occur during the last trimester of pregnancy leading to early interruption of pregnancy which would help to diminish the elevated level of maternal and fetal mortality. The HELLP syndrome usually observed during the toxemia of pregnancy, associate an hemolysis elevation of liver enzymes and low platelets.