The necessity of DHA nutritional supplement for pregnant women. During pregnancy, the fetal brain development speed is accelerated. DHA is an important component of brain tissue and neuronal components, and plays an important role in the development of the fetal brain and eyes. DHA can also improve heart health and stabilize mood in pregnant women, relieve postpartum depression, and promote the healthy development of the baby\’s physical and nervous system. The DHA nutrient is important for pregnant women and fetal development. Therefore, pregnant women should promptly supplement D