22 weeks weight gain and pregnant women’s pre-pregnancy weight also has a relationship, if the pre-pregnancy weight is heavier, the pre-pregnancy need to control their weight, if the pre-pregnancy weight is lighter, the pregnancy can be appropriate to increase the weight of the general 22 weeks of pregnancy to increase the weight of the 2 ~ 3 kilograms is more appropriate. In early pregnancy, due to the fetus is small, pregnant women due to early pregnancy reaction to eat not much, early pregnancy pregnant women’s weight basically did not change much. Generally to the mid-pregnancy with the increase of the fetus, pregnant women’s weight will gradually increase. Due to individual differences in pregnant women, different body mass index of pregnant women before pregnancy weight gain is also different, 22 weeks of pregnancy about 2 to 3 kilograms is more appropriate. During pregnancy, you should pay attention to the intake of comprehensive and balanced nutrition, to ensure adequate rest, regular obstetric examination during pregnancy, if there is any abnormality should seek medical attention in a timely manner.