Excessive weight gain in the 22nd week of pregnancy may be normal, or it may be caused by excessive intake of pregnant women, less exercise, etc. It can be alleviated through observation, dietary adjustment, and moderate exercise. 1. Normal phenomenon: 22 weeks of pregnancy belongs to the middle stage of pregnancy, at this time the fetus grows and develops faster, and the amount of amniotic fluid will also increase significantly, which leads to pregnant women to experience rapid weight gain, pregnant women usually do not have other uncomfortable symptoms, it is usually normal. At this time, regular pregnancy tests can be. 2. Excessive intake of pregnant women: If a pregnant woman eats too much during pregnancy, especially excessive intake of sugary foods, it will lead to rapid weight gain during the 22nd week of pregnancy. At this time, pregnant women should adjust their diet, reduce the intake of sugary foods, eat more protein-rich foods. 3. Less exercise: If a pregnant woman is on bed rest for a long period of time, the amount of exercise is small, leading to a decrease in energy consumption, resulting in the accumulation of fat, leading to rapid weight gain at 22 weeks of pregnancy. At this time, pregnant women should pay attention to the appropriate increase in daily exercise, can to a certain extent control weight gain. If the pregnant woman appears 22 weeks pregnant weight gain too fast, there may be other reasons, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor, improve the relevant examination, clarify the cause of the disease, symptomatic treatment.