Fish oil-derived omega-3 fatty acids (ꙍ-3 FA), particularly docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), are critical for early brain development, but evidence of causal effects from supplementation during pregnancy is limited. In the prospective COPSAC(2010) cohort of 700 mother-child pairs, we investigated whether i) maternal DHA + EPA blood concentrations in mid-pregnancy and ii) fish oil supplementation in a randomized trial in late pregnancy influence neurodevelopmental…
