VitaminsVitamin KVitamin K 1Vitamin K DeficiencyVitamin K 2Vitamin AVitamin K Deficiency BleedingVitamin K 3Vitamin EDietary SupplementsVitamin DVitamin K Epoxide ReductasesVitamin B 12Vitamin A DeficiencyVitamin D DeficiencyVitamin B ComplexFolic AcidMineralsAscorbic AcidCarbon-Carbon LigasesPaulliniaPreconception CareVitamin B 6Vitamin E DeficiencyVitamin B 12 DeficiencyTrace ElementsWarfarinBiotinAvitaminosisDietNutritional StatusDouble-Blind MethodPregnancyCholecalciferol4-HydroxycoumarinsVitamin B 6 DeficiencyPantothenic AcidPrenatal Carebeta CaroteneK562 CellsFood, FortifiedSymportersNutrition PolicyProthrombin TimeAntifibrinolytic AgentsTanzaniaMaternal Nutritional Physiological PhenomenaOsteocalcinNutritional RequirementsProthrombinNeural Tube DefectsRisk FactorsAntioxidantsMixed Function OxygenasesInfant, NewbornHomocysteine2,3-Diketogulonic AcidReceptors, CalcitriolVitamin D-Binding ProteinRiboflavinAnticoagulantsInternational Normalized RatioMicronutrientsThiamineHypoprothrombinemiasPyridoxineProspective StudiesDose-Response Relationship, Drug