There is no standardized standard for how big a triplet belly is, and triplet bellies are definitely much bigger than singletons. However, each woman’s physical condition is different, the size of the fetus is different, the size of the stomach is also different from person to person The size of the stomach after pregnancy is related to the amount of amniotic fluid, the thickness of subcutaneous fat, the location of the placenta, the number of fetuses, pregnant triplet stomach than a single pregnancy, the exact amount of big varies from person to person, there is no specific standard, but it will be more than a single fetus grows rapidly, the volume. Within the third month of pregnancy, the uterus does not protrude from the pelvis, the stomach from the appearance of the obvious changes can not be seen, the uterus protrudes from the pelvis after the third trimester of pregnancy, with the increase in pregnancy weeks the uterus will also gradually increase in size, the uterus volume of the pregnancy up to four to six months after the uterine volume of the ordinary pregnant women more than twice. After pregnancy triplets should be strict maternity inspection, there are abnormalities in a timely manner.