Does maternal supplementation with n-3 long-chain PUFA in pregnancy influence cognitive development in childhood?

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During pregnancy, omega-3 fats (like those in fish) are deposited in the brain of the developing baby. Women get these fats from the diet but Australian women typically eat a diet low in fish. Because research has linked high fish intake in pregnancy with better IQ in children, omega-3 oils are included in some pregnancy supplements. However their effect on child development is not clear. This project will test whether taking fish oil while pregnant improves a child's IQ.