It is necessary for pregnant women to take DHA supplements, which can be obtained from food or medication. Docosahexaenoic acid (DHA) is a fatty acid that is not only beneficial to the physical development of the fetus, but also to the physical recovery of the pregnant woman.DHA promotes the development of fetal nerve cells and retinal cells, so it is necessary to ensure that the intake of DHA after pregnancy. Pregnant women can take DHA capsules, but also by eating foods high in DHA to supplement. In terms of food, you can choose flax oil, walnut oil, and at the same time, you should eat more fish food, such as crucian carp, carp, shrimp, etc., and you should consume 50-100g of these fish and shrimp every day in the middle and late stages of pregnancy. It is recommended to use medication under the guidance of a doctor, while pregnancy should pay attention to a balanced diet and maintain a good mood.