Although everyone knows that they should increase nutrition after pregnancy, many pregnant women often think that fish, eggs, milk, fruits or nutritional supplements are more nutritious, and ignore the intake of staple foods. spoon. It is unreasonable to do so.
In fact, staple foods, namely carbohydrates, are the body\’s main source of energy. The energy it provides accounts for a large proportion of the total energy, and the energy supply is rapid and timely. The end products of oxidation are carbon dioxide and water, which are harmless to the body. The energy required for nervous system activity can only be provided by glucose. Glucose is necessary for fetal metabolism and is mainly used for fetal breathing. Brain cell and placental metabolism also rely on consuming blood sugar for energy. Because the fetus consumes more glucose from the mother\’s body, if the carbohydrate supply is insufficient, the mother\’s body has to use oxidized fat and protein to supply energy. At this time, fat is consumed too quickly and ketosis or ketoacidosis is likely to occur when oxidation is incomplete.
In order to avoid ketosis and ensure the needs of pregnant women for embryonic development and physiological changes, the diet should be adjusted appropriately to ensure the supply of heat energy and nutrients. In the early stages of pregnancy, if there is no morning sickness, you can eat almost as much as you did before pregnancy. Even if the pregnancy reaction is severe, pregnant women should consume at least 150 grams of carbohydrates every day, which is equivalent to 200 grams of staple food. After 3 months of pregnancy, pregnancy reactions diminish and appetite increases. In order to meet the needs of fetal growth and development, the daily staple food intake should be increased by about 50 grams to 250-300 grams. In the third trimester, you can increase the daily intake of staple food by 25-50 grams on the basis of the second trimester, and make adjustments according to weight gain.
In addition, we should also pay attention to the staple food not being too single. It is suitable to mix with rice, noodles, cereals and dried beans. The combination of thick and thin is conducive to obtaining comprehensive nutrition and improving the nutritional value of protein. Corn, millet, adzuki beans, adzuki beans, sweet potatoes, yams and other cereals and potato whole grains have high nutritional value and can delay the sharp fluctuations in blood sugar after meals. At the same time, they can also supplement vitamins and dietary fiber, effectively preventing constipation during pregnancy.