The size of the pregnant belly is related to the size of the fetus, but it is not entirely dependent on the size of the fetus, but also related to other factors.
1. After pregnancy, with the increase of gestational weeks the fetus will gradually develop and enlarge, the uterus will gradually become larger, the size of the stomach in addition to the size of the fetus, but also with the number of fetuses, the amount of amniotic fluid in the uterus, the thickness of the pre-pregnancy subcutaneous fat and so on have a relationship.
2. During the third trimester of pregnancy the embryo development is relatively small, the uterus is still in the pelvic cavity, there is no obvious change in the pregnant belly, after three to four months of pregnancy the belly from the appearance of the belly will see a slow bulge, but the size of the belly varies from person to person.
After pregnancy can not be based on the size of the stomach to judge the growth and development of the fetus in the uterus, after pregnancy to do a good job of pregnancy checkups, the fetus in the uterus in all aspects of the growth and development of normal, do not have to worry too much.