The upper edge of the belly at 16 weeks of pregnancy is between the navel and the pubic symphysis, which is where the belly can be seen to bulge slightly. When you are 16 weeks pregnant, the length of the fetus is about 16 centimeters, the uterus is enlarged, the bottom of the uterus becomes high, the height of the bottom of the uterus is the upper edge of the pregnancy belly that can be seen with the naked eye. 16 weeks when the height of the belly button below and above the pubic bone joint, if you wear a tighter dress can be seen in the pregnancy belly bulge. But the size of the pregnant belly also varies from person to person, if the uterus position is backward, the belly is slightly smaller than normal. The size of the belly at 16 weeks of pregnancy varies according to the actual condition of the pregnant woman. If you are already pregnant, you should seek medical advice as soon as possible to assess the health of the fetus.