Whether it is normal for a 3-month pregnant belly to look like a 5-month needs to be analyzed according to the specific situation. If it is because of abdominal fat, or multiple pregnancies, it is normal; if it is because of excessive amniotic fluid, or abdominal tumors, it is not normal. 1. Normal situation: the abdominal circumference of pregnant women is related to a variety of circumstances, and different people’s physical conditions will have different abdominal circumference, and at the same time, a large abdominal circumference does not mean that the fetus in the abdomen must be large. If a pregnant woman has a multiple pregnancy, or if she has too much fat in her abdomen, she will appear to have a large belly. There is no need to worry too much at this time, reasonable weight control, on time delivery. 2. Abnormalities: If a pregnant woman has a tumor in the abdominal cavity, or combined with excessive amniotic fluid, she will also appear to have a large stomach. At this time, you need to consult a doctor in time. If the pregnant woman has a bigger stomach than the pregnancy week, it is recommended to go to the hospital to have a relevant examination to clarify the cause of the disease and then take the next step to deal with it.