Pregnant women can start to take DHA from the time their pregnancy is confirmed. DHA, also known as docosahexaenoic acid, is beneficial to the development of the baby’s retina and brain when supplemented properly during pregnancy, and can promote the development of the fetal vision and nervous system. Various kinds of fish, especially sea fish, are rich in DHA, and nuts, egg yolk and seaweed also contain DHA, which can be consumed 2-3 times a week. In addition, pregnant women also contain DHA in milk powder, pregnant women can drink a glass of pregnant women’s milk powder every day. DHA can be supplemented until late pregnancy, in addition to dietary supplements, you can also eat some regular manufacturers of DHA-rich health products under the guidance of doctors, but be careful not to overdose.