Pregnant women need to take DHA for the following reasons: First, DHA is more important for the development of the fetus, is an important substance for brain development, when the body of pregnant women do not have enough DHA content, may affect the development of the fetal brain. Secondly, taking DHA can reduce the neurasthenia or depression of pregnant women after pregnancy, but also to reduce the risk of premature birth, you can choose to start taking it after 20 weeks of pregnancy, because this is the fastest period of fetal brain development, but also the time of DHA demand is relatively large. After the birth can also continue to take DHA, because it can be fed to the newborn through breast milk, to promote the development of the newborn’s hearing, vision and other sensory nerves, in the choice of DHA products to choose to choose the quality of the choice, and under the guidance of a doctor to take.