Most U.S. women are deficient in EPA and especially DHA coming into pregnancy, and will get more depleted during pregnancy, as the placenta supplies the fetus with DHA from mom’s tissue. Depletion12/30/2019 Omega 3 Fatty Acids: FAQshttps://americanpregnancy.org/pregnancy-health/omega-3-fatty-acids-faqs/ 5/9persists 9-12 months postpartum and, as you can imagine, gets worse with multiple pregnancies. This explains why supplementing with omega-3 fish oil or algae oil is so important.