In general, pregnant women take DHA after 20 weeks of pregnancy to 6 months after the birth of the fetus the best effect, that is, generally can eat until about 6 months after delivery; children take DHA the golden period between 6 months and 2 years old, eat until 2 years old can stop, the specific discontinuation time varies from person to person. Taking DHA during pregnancy can optimize the composition of phospholipids of fetal brain cone cells and promote the maturation of nerve cells, which is beneficial to the growth and development of the fetus. Between the ages of 6 months and 2 years is the most rapid growth and development of the baby, timely supplementation of DHA can produce a large number of hormones can promote its brain development. In addition, after the age of 2 years old babies can also take DHA, but need to be under the guidance of doctors in appropriate amounts, do not blindly oversupplementation, so as not to affect health. During the period of taking DHA, you should pay attention to a diversified diet, balanced nutrition, avoid spicy and stimulating food, you can eat more protein-rich, vitamin-rich food, appropriate calcium supplementation, etc.