During pregnancy to do only grow the fetus does not grow meat to do: reasonable intake of carbohydrates, increase the intake of high-quality protein, scientific eating fruits and maintain a moderate amount of exercise. 1. Reasonable intake of carbohydrates: early pregnancy due to the slow growth of the fetus, the required energy and nutrition without a significant increase in the choice of easily digestible 130g of carbohydrates; mid-pregnancy intake of grains and potatoes should not be more than 250g, of which grains and coarse grains is not less than 1 / 3. 2. Increase the intake of high-quality protein: high-quality protein mainly from fish, shrimp, eggs, milk, poultry, lean meat, etc., the daily consumption of mid-pregnancy up to 150g ~ 200g, the daily consumption of late pregnancy can be increased by 50g per day compared to the mid-pregnancy, and at least 2-3 times a week to eat deep-sea fish. 3. Scientific fruit: fruit intake during pregnancy is not the more the better, it is recommended that the daily fruit consumption during pregnancy 200 to 400g, try to choose low glycemic index fruits, such as: cherries, kiwi, blueberries, strawberries, grapes and so on. 4. Maintain a moderate amount of exercise during pregnancy: If your physical condition allows, you should do no less than 30 minutes of physical activity every day, such as walking, yoga and so on. During pregnancy, it is recommended to control the weight gain during pregnancy according to the pregnant mother’s pre-pregnancy body mass index, the average pre-pregnancy weight gain is 12.5kg, see the obstetrician or dietitian under the guidance of a reasonable dietary arrangements, weekly monitoring of weight gain.