The principle of diet conditioning is: pregnant women do not lose weight; Adjust the proportion of food structure and calories according to body shape; Eat less and eat more. It is suggested to divide it into three big meals and three small meals. Eat less fruits with high sugar content; Vegetables are 400-500 grams per day, of which colored vegetables are not less than 50%. Compared with ordinary diabetic patients, diabetic pregnant women need more calories to make up for the loss of urine sugar and the needs of the fetus. Every kilogram of body weight should be supplemented with 30-50 kilocalories per day, of which carbohydrates account for 200-300 grams.

1, carbohydrates: pregnant mothers need to have certain requirements on the source types of carbohydrates. They should give priority to polysaccharides such as rice and wheat, and strictly limit pure sugar products such as honey, syrup and maltose and desserts with high sugar content. Try to choose varieties with low glycemic index in cereal staple food, such as oatmeal, corn flour and buckwheat flour.