Pregnancy belly grows slowly during pregnancy, and most pregnant women can see it only after four months. At this time, the pregnant belly will increase significantly, and you can visually see that you are pregnant from your body shape. However, because each pregnant woman has a different body type, there are differences in the timing of the pregnancy belly. After pregnancy, the embryo needs to develop gradually, and only after it has reached a certain level of development can the uterus be enlarged. Usually after four months the embryo is big enough to enlarge the uterus, so the pregnancy can be seen in appearance at this time. However, the actual situation of each pregnant woman is different and the speed of embryo development will be different, so the time of pregnancy belly can not be generalized. For pregnant women with a good appetite, the fetus can absorb more nutrients and thus may develop faster and show its pregnancy belly earlier, and vice versa later. Pregnant women are advised not to judge the health status of the fetus by the size of the pregnant belly. Even if a woman’s pregnant belly is small and not yet pregnant after four months, it does not prove that the fetus is unhealthy, such as a thin pregnant woman, the time to show pregnancy is relatively late.