Normal female pregnancy 7 months is almost 28 weeks, 28 weeks pregnant belly size uterine bottom is almost located in the umbilicus about three horizontal fingers, abdominal circumference according to different people fat thickness will be very different. There are significant individual differences in the factors that influence the size of the belly during pregnancy. For example, nutritional status during pregnancy and the amount of exercise a pregnant woman does can make pregnancy belly size inconsistent. Other influencing factors include the size of the fetus, the fat content of the pregnant woman, and the amount of amniotic fluid. In general, the size of a normal woman in her 7th month of pregnancy is about the size of a basketball, with the fetus measuring about 35cm in length, 25cm in vertex and hip length, and weighing about 1000g.