What is the best nutrition for pregnant women in the third trimester does not exist, pregnant women in the third trimester eat carbohydrates, high-quality protein, dietary fiber, balanced nutrition is better for the body. 1. carbohydrates: during pregnancy, carbohydrates account for 40%-50% of nutrition and energy intake, so pregnant women in their third trimester need to consume enough carbohydrates. Pregnant women can eat less refined rice and flour, increase the intake of coarse grains, such as corn, black rice, etc., can effectively supplement carbohydrates, control weight and blood sugar during pregnancy. 2. High-quality protein: pregnant women in the third trimester can also eat more fish, milk, etc., the protein content of fish is relatively high, easy to be digested and absorbed by pregnant women, milk in addition to protein, but also contains more calcium. 3. Dietary fiber: pregnant women during pregnancy may have poor gastrointestinal function, which leads to constipation, you can moderate intake of vegetables and fruits rich in dietary fiber, such as lettuce, asparagus, cabbage, grapefruit, dragon fruit, etc., can promote pregnant women’s intestinal peristalsis. It can also relieve constipation, which is also important for the growth and development of the fetus. It is recommended that pregnant women in the third trimester pay attention to supplemental nutrition, while ensuring adequate sleep, can improve their immunity.