Are omega 3 fish oil capsules safe during pregnancy?

If purified. Fish oil is not only safe but highly recommended during pregnancy as a source of dha, essential for the developing brain & eyes of the baby. However, fish has traces of heavy metals like mercury & pcb's, dioixins etc. Choose a fish oil purified via pharmaceutical-grade molecular distillation & esterified to make digestible. Reliable brands include nordic naturals, designs for health& minami.