There are clinical cases of pregnant mothers with high bile acids giving birth. Bile acids are products of cholesterol metabolism in the liver and are excreted through the bile. If a pregnant woman is found to have elevated bile acids, it suggests that liver damage may be present, leading to poor bile excretion and biliary stasis, and thus intrahepatic cholestasis syndrome in pregnancy. If the bile acid is mildly elevated in the early stages, it usually does not have much effect on the growth and development of the baby. The bile acids of pregnant women mostly return to normal after delivery and do not have much significant effect on the fetus after delivery. However, if severe bile acid elevation forms intrahepatic cholestasis syndrome during pregnancy, the fetus may suffer from intrauterine oxygen deprivation during pregnancy, or even premature labor and death, so it is necessary to go to the hospital as soon as possible.