When a pregnant woman has high ghrelin, whether or not it affects the fetus should depend on the specific causes of high ghrelin. Clinically, there are two main causes of elevated ghrelin in pregnant women, the details are as follows: 1. Physiological reasons: pregnancy is a special physiological period for women, the placenta can secrete a variety of hormones, in the interaction of various hormones, can affect the normal function of the liver. At the same time, due to the gradual increase of the fetus in the body of pregnant women, the functional changes of the liver are more significant, resulting in the growing uterus easily compressing the liver, liver circulation becomes poor, the liver function check can appear high glutathione transaminase. This is a normal phenomenon and will not affect the fetus, which can be improved by adjusting the diet and moderate exercise. 2, pathological reasons: the causes of elevated transaminases in pregnant women are not excluded from diseases, such as acute fatty liver during pregnancy, intrahepatic cholestasis during pregnancy, which can easily lead to miscarriage and fetal dysplasia. For such reasons, a clear diagnosis should be made in time and appropriate treatment should be given actively to avoid affecting the fetus, and the pregnancy should be terminated if the condition is serious.