Stearic AcidsFolic AcidFolic Acid DeficiencyNeural Tube DefectsFatty AcidsTetrahydrofolatesHomocysteineFood, FortifiedDietary SupplementsVitamin B 12Vitamin B ComplexFolic Acid AntagonistsPreconception CareOleic AcidPalmitic AcidsFolate Receptors, GPI-AnchoredPalmitic AcidHydrogenationOleic AcidsHyperhomocysteinemiaAnemia, MacrocyticHematinicsVitamin B 6Pteroylpolyglutamic AcidsFatty Acids, UnsaturatedVitamin B 12 DeficiencyFolic Acid TransportersDietary FatsLinoleic AcidPregnancyBreadChromatography, GasVitaminsPrenatal CareMembrane FluidityStearatesSpin LabelsDietLipidsPhospholipidsFlourFolate Receptor 1VeratrumLinoleic AcidsLauric AcidsMethylenetetrahydrofolate Reductase (NADPH2)Electron Spin Resonance SpectroscopyPrenatal Nutritional Physiological PhenomenaFatsFormyltetrahydrofolatesFatty Acids, MonounsaturatedErythrocytesSpinal DysraphismChromatography, Thin LayerAminopterinDouble-Blind MethodSodium Azidealpha-Linolenic AcidCacaoMembrane LipidsCholesterolPlant OilsReduced Folate Carrier ProteinPterinsAbsorptionStearoyl-CoA DesaturaseFIGLU TestPyridoxineCerealsMicronutrientsAcylationMethotrexateAnencephalyNutritional RequirementsHomocystineMethylmalonic AcidGlyceridesFatty Acids, NonesterifiedNutrition PolicyLinolenic AcidsIntestinal AbsorptionLipid Metabolism4-Aminobenzoic AcidFatty Acid DesaturasesCross-Over StudiesRiboflavinBiological AvailabilityTriglyceridesPhosphatidylcholinesLiverNutritional StatusGlutamatesCyclic N-OxidesMaternal Nutritional Physiological PhenomenaDose-Response Relationship, DrugCleft PalateMyristic AcidAnemia, Megaloblastic