Folic Acid DeficiencyAnemia, Iron-DeficiencyIronAnemia, HypochromicFolic AcidAnemiaFerritinsIron, DietaryHemoglobinsErythrocyte IndicesVitamin B 12 DeficiencyAnemia, MacrocyticVitamin B 12Anemia, MegaloblasticFIGLU TestFolate Receptors, GPI-AnchoredIron Chelating AgentsFerrous CompoundsHomocysteineIron CompoundsPregnancy Complications, HematologicReceptors, TransferrinTetrahydrofolatesHepcidinsAnemia, PerniciousReduced Folate Carrier ProteinFood, FortifiedProtoporphyrinsFolate Receptor 1TransferrinDeficiency DiseasesDietary SupplementsNutritional StatusFerric CompoundsFormiminoglutamic AcidHematocritIron Carbonyl CompoundsIron IsotopesIron OverloadErythrocytesDietHemoglobinometryAnemia, HemolyticAnemia, AplasticIron-Dextran ComplexVitamin B ComplexPregnancyS-AdenosylmethionineGlucaric AcidAntimicrobial Cationic PeptidesS-AdenosylhomocysteineNeural Tube DefectsPancytopeniaAnemia, RefractoryHematinicsVitamin A DeficiencyPicaProton-Coupled Folate TransporterPrevalenceMethionineDeoxyuridineHyperhomocysteinemiaIron Metabolism DisordersMethylmalonic AcidFanconi AnemiaIntestinal AbsorptionErythropoietinMethylenetetrahydrofolate Reductase (NADPH2)Endoscopy, GastrointestinalErythropoiesisLiverBiological AvailabilityErythrocyte CountHookworm InfectionsNutritional RequirementsIron RadioisotopesGastrointestinal HemorrhageAnemia, Hemolytic, Autoimmunealpha 1-Antitrypsin Deficiency5-Methyltetrahydrofolate-Homocysteine S-MethyltransferaseBody WeightHemosiderosisTrace ElementsThrombocytosisMicronutrientsInfant Nutritional Physiological PhenomenaInfant FoodMegaloblastsZincCholine DeficiencyHemochromatosisAnemia, SideroblasticVitamin D DeficiencyAnemia, Sickle CellRisk FactorsFlourMalabsorption SyndromesIodineAncylostomiasisBlood Cell Count