Omega-3 fat is critical for healthy development in utero, especially for eye and brain development. The ratio of omega-6 to omega-3 is also important for proper development. Ideally, it should be less than 5:1
Animals fed a diet in which the omega-6 to omega-3 ratio matched the standard American diet (high in omega-6, low in omega-3) produced offspring whose brains were much smaller than those fed ideal amounts
In a second study, pregnant women who ate 600 grams (21 ounces, or about 4 servings) of fish per week during pregnancy had children whose IQ scores were 2.8 points higher than those who ate less fish
