If there is no special discomfort, it is normal, because with the growth of the pregnancy week, the belly grows day by day, and after 3 months of pregnancy, you can usually see a significant increase in the belly. But some women after pregnancy, because of the reduction of activity or diet is relatively rich, the phenomenon of fat, abdominal fat will also appear obviously look belly enlargement, is also normal. After pregnancy, if there is no special discomfort such as vaginal bleeding or abdominal pain, you need to exercise properly, and try to eat less high-calorie diet during pregnancy, but eat seasonal fruits and vegetables, and eat some lean meat, eggs, milk, etc. to avoid some adverse effects caused by excessive obesity.