You can control your weight during pregnancy by controlling your diet and exercising in moderation. 1. Diet control: in pregnancy need to control the appropriate diet, reduce the intake of carbohydrates, not only to meet the needs of fetal growth and development, but also not to cause nutritional excess, such as appropriate control of fruit intake, fruit during pregnancy and the usual compared to the almost no need to increase; moderation of vegetables and other dietary fiber-rich foods, eat less sugar is relatively high in food, such as beverages, sweets, refined grains (refined rice, white flour), etc. . 2. Moderate exercise: During pregnancy, appropriate activities, walking 5,000-10,000 steps a day, or at least one hour of aerobic activity a day, can reduce the accumulation of fat and protein in the body, which helps to control body weight. At the same time, you should have regular checkups and take vitamin and trace element supplements according to the actual condition of your body. If you are not feeling well, you should consult your physician and dietitian for a scientific diet.