The length of the fetus in the 6th month of pregnancy is about 30cm and the weight is about 600-700g. At this time, the fetus is in a period of rapid development and grows every day, so the pregnant woman’s tummy is getting bigger day by day, and there is no clear standard because there is also a difference between the pregnant woman’s tummy in the non-pregnant, so there is no clear standard. Depending on the size of the fetus in the uterus, if the fetus is small and thin, the pregnant woman’s belly may not be very big in the 6th month of pregnancy. If the fetus is bigger in size, or if it is a twin or even multiple fetuses, the pregnant woman’s belly will be bigger. So the size of a pregnant woman’s belly in the 6th month of pregnancy depends on the size of the pregnant woman and the size of the fetus growing in the uterus. In addition, for the more thin pregnant women, and the physical condition is not very good, in the 6th month of pregnancy, the pregnant belly may not be very big, while for some more obese pregnant women, the pregnant belly may look bigger. Pregnant women usually pay more attention to rest, do not walk freely, eat some protein-rich food, can supplement their own nutrition, but also can promote the growth and development of the fetus.