alpha-Linolenic AcidLinolenic AcidsDietary SupplementsFolic AcidLinoleic AcidsLinoleic AcidFatty Acids, UnsaturatedFatty AcidsFatty Acids, Omega-3Fatty Acids, EssentialDocosahexaenoic Acidsgamma-Linolenic AcidVitamin B ComplexDietary Fats, UnsaturatedNeural Tube DefectsPlant OilsFood, FortifiedEicosapentaenoic AcidDouble-Blind MethodDietAnimal FeedFish OilsPhospholipidsHomocysteineStearic AcidsLipoxygenaseLinoleic Acids, ConjugatedLinseed OilFlaxPregnancyDietary FatsFatty Acid DesaturasesChromatography, GasRandom AllocationBoragoArachidonic Acid