Nutritional supplements that pregnant women need to take during pregnancy: First, early pregnancy supplementation with folic acid, you can take a multivitamin containing folic acid. Folic acid supplementation is to prevent fetal neural tube malformation, and is also rich in a variety of vitamins and trace elements, which can play a complementary role to vitamins and trace elements. DHA is an important nutrient required for embryonic brain development and can promote the development of the embryonic brain. Third, the need to supplement calcium and iron in the middle and late pregnancy. Calcium tablets are commonly used for calcium supplementation. If you have anemia, you need to take iron supplements or health products, such as polysaccharide iron capsules, compound Agaricus syrup, Agaricus cream.