There is no specific standard for how much weight you can gain in 20 weeks of pregnancy, but generally you will gain about 6kg on top of your original weight, which varies from person to person and is related to body shape and nutrition. 20 weeks pregnant belongs to the middle of pregnancy, at this time the pregnant woman’s weight growth is relatively fast, the appetite has increased, and the growth rate of the fetus is also relatively fast, generally about 6kg. However, if the individual body type is relatively thin, diet and nutrition is also relatively good, the weight growth will be relatively more. If the pregnant woman herself is relatively fat, appropriate control of diet weight gain will be slower. Pregnant 20 weeks although the diet needs to increase nutrition, but also pay attention to avoid over-nutrition, which can easily lead to excessive weight gain during pregnancy caused by a huge child and other adverse pregnancy. Be on time for maternity checkups during pregnancy, and control your weight reasonably under the guidance of your doctor.