Pregnant belly to the right may be related to the following factors: 1, the number and intensity of fetal movements in the middle of pregnancy will increase, due to the limited scope of the uterine cavity, so the abdomen may gradually produce changes in shape; 2, pregnant women who have a preference for sleeping to one side during pregnancy may lead to a crooked belly to one side after a long time; 3, with the continuous development and growth of the fetus, the position of the fetus inside the uterus will also The shape of the abdomen will change, which is a normal phenomenon. In general, as long as the fetus develops normally, there is no need to worry too much. If a pregnant woman is not sure, she can go to the hospital for an ultrasound examination to check the development and activities of the fetus in the uterus, and she should keep a good state of mind and not be overly nervous so as not to affect the normal development of the fetus.