Folic acid, vitamins, trace elements, DHA, carbohydrates, dietary fiber, etc. are generally required to be supplemented every month during pregnancy. 1. Folic acid: timely supplementation of folic acid is needed in the first trimester of pregnancy to prevent fetal neural tube development malformation. 2. Trace elements: including zinc, calcium, iron, etc., mostly because after pregnancy, with the gradual growth of the fetus, the quality of nutrients needed will gradually increase, it is recommended to supplement trace elements in a timely manner to promote fetal growth and development. 3. DHA: In the seventh month of pregnancy, it is an important stage in the development of fetal brain and retina, it is recommended to supplement DHA in time to promote fetal brain and retina development. 4. Carbohydrates: During pregnancy, especially in the late stages of pregnancy, the fetus grows and develops faster and needs more energy, so it is recommended to consume more carbohydrates, such as rice, flour, coarse grains and so on. But pregnant women with diabetes need to control the intake of staple foods. 5. Dietary fiber: With the gradual growth of the fetus, the pressure to the intestinal canal, and pregnant women’s activities will be reduced, resulting in slow intestinal peristalsis, which is prone to constipation, appropriate intake of dietary fiber-rich foods, such as: oatmeal, bananas, etc., to help prevent constipation. What needs to be supplemented each month during pregnancy is recommended to be comprehensively judged according to the specific situation of the pregnant woman after the doctor’s interview.