Pregnant women can take DHA. Currently, some studies suggest that DHA has an important role in fetal brain development, retinal development, moderate supplementation of DHA during pregnancy is safe, and no serious adverse events have been found in pregnant mothers and fetuses caused by DHA, and after 20 weeks of pregnancy until delivery, 600mg of DHA can be supplemented every day. however, research in various countries is not the same, and the clinic has not yet routinely recommended that pregnant women should take DHA supplementation and it is generally expensive, so you can add DHA as you see fit according to your own financial conditions. However, DHA supplementation during pregnancy is not routinely recommended in clinical practice and is generally expensive. In addition to DHA supplementation, you can also increase your food intake of DHA during pregnancy by increasing your usual intake of deep-sea fish and eggs, at least 2-3 times per week, and one egg per day. For infants, breast milk is the main source of DHA, and exclusive breastfeeding for the first 6 months is recommended and advocated.