An itchy belly does not necessarily mean stretch marks. Itchy belly can also be a symptom of eczema, total bile acids in the body and other diseases. Patients with itchy belly should go to the hospital in time, under the guidance of the doctor for formal treatment. 1. Stretch marks: during pregnancy due to fetal development, easily caused by the pregnant woman’s abdominal enlargement, the rapid development of the fetus is likely to cause abdominal collagen fibers, elastic fibers fracture, the formation of stretch marks, which may be accompanied by itchy skin symptoms. 2. Eczema: Eczema is a chronic inflammatory itchy skin disease. Eczema is mostly caused by allergies and irritants. Patients are mainly characterized by erythema, papules, blisters and other skin lesions, accompanied by intense itching. Therefore, patients with eczema can have the symptom of itchy belly. 3. Intrahepatic cholestasis in pregnancy: Intrahepatic cholestasis in pregnancy is a complication specific to pregnancy. The disease may be related to maternal estrogen levels, environmental factors, genetic factors and so on. Patients mainly present with itching of the skin, which may be accompanied by yellowing of the skin or sclera. The disease most often appears in the middle and late stages of pregnancy and can disappear on its own after delivery. There may be other causes of itchy belly, you should go to the hospital in time, under the guidance of the doctor for regular treatment.