Arachidonic AcidArachidonic AcidsDietary SupplementsFolic AcidFatty Acids, Omega-3Vitamin B ComplexDocosahexaenoic AcidsPhospholipases A2Neural Tube DefectsPhospholipases AHydroxyeicosatetraenoic AcidsFatty Acids, UnsaturatedFood, FortifiedDouble-Blind MethodLipoxygenaseEicosapentaenoic Acid12-Hydroxy-5,8,10,14-eicosatetraenoic AcidHomocysteineMasoprocolFatty Acids5,8,11,14-Eicosatetraynoic AcidPregnancy8,11,14-Eicosatrienoic AcidLipoxygenase InhibitorsEicosanoidsProstaglandinsArachidonate 5-LipoxygenaseFish OilsArachidonate LipoxygenasesProstaglandin-Endoperoxide SynthasesLeukotrienesLinoleic AcidDietPhospholipidsGroup IV Phospholipases A2IndomethacinAnimal FeedPrenatal Nutritional Physiological PhenomenaDinoprostoneQuinacrineVitamin B 12Leukotriene B4CalcimycinThromboxane B24,5-Dihydro-1-(3-(trifluoromethyl)phenyl)-1H-pyrazol-3-amineAscorbic AcidVitaminsPreconception CareLinoleic AcidsHyperhomocysteinemiaCyclooxygenase InhibitorsProstaglandins EEicosanoic AcidsAmino Acids, Branched-ChainAnimal Nutritional Physiological PhenomenaRandom AllocationPlacebosMethylenetetrahydrofolate Dehydrogenase (NAD+)Thioctic AcidArachidonate 12-LipoxygenaseAmino Acids, EssentialDose-Response Relationship, DrugLinoleic Acids, Conjugatedgamma-Linolenic AcidMaternal Nutritional Physiological PhenomenaDietary Fats, UnsaturatedHematinicsInfant Formulaalpha-Linolenic AcidAmino AcidsCyclooxygenase 2Iron, DietaryIronCyclooxygenase 1Administration, OralFolic Acid DeficiencyAntioxidantsMicronutrientsMethionineSRS-ACells, CulturedEpoprostenolBody WeightTime FactorsZincVitamin A6-Ketoprostaglandin F1 alphaTetrahydrofolatesDietary ProteinsLactationPrenatal CareLiverCalciumAnemia, Iron-DeficiencyBlood PlateletsCytochrome P-450 Enzyme SystemSwineMethylenetetrahydrofolate Reductase (NADPH2)Mouth AbnormalitiesVitamin E