Anemia, Iron-DeficiencyIronAnemia, HypochromicFerritinsIron, DietaryErythrocyte IndicesAnemiaHemoglobinsIron Chelating AgentsFerrous CompoundsIron CompoundsPregnancy Complications, HematologicReceptors, TransferrinHepcidinsProtoporphyrinsTransferrinFerric CompoundsIron Carbonyl CompoundsIron IsotopesIron OverloadDeficiency DiseasesFood, FortifiedIron-Dextran ComplexHemoglobinometryGlucaric AcidHematocritNutritional StatusAntimicrobial Cationic PeptidesPicaDietary SupplementsEndoscopy, GastrointestinalHematinicsIron Metabolism DisordersAnemia, RefractoryGastrointestinal HemorrhagePrevalenceHookworm InfectionsBiological AvailabilityIron RadioisotopesThrombocytosisHemosiderosisPregnancyErythropoiesisErythropoietinTrace ElementsErythrocyte CountInfant FoodInfant Nutritional Physiological PhenomenaAnemia, PerniciousFolic AcidMicronutrientsAncylostomiasisErythrocytesVitamin B 12 DeficiencyAnemia, HemolyticCapsule EndoscopyFolic Acid DeficiencyAnemia, AplasticCote d'IvoireCeliac DiseaseVitamin A DeficiencyDietZincGastrointestinal Diseasesbeta-ThalassemiaBlood Cell CountGastroscopyEnemaIntestinal AbsorptionHemochromatosisIodineAncylostomaAnemia, MegaloblasticIndonesiaAnemia, MacrocyticMenorrhagiaOccult BloodVitamin B 12FMN ReductaseDuodenumNutritional RequirementsPregnancy ComplicationsAdministration, OralFanconi AnemiaCation Transport ProteinsChild DevelopmentChronic DiseaseIron Regulatory Protein 2Prospective StudiesTanzaniaIron Regulatory Protein 1Iron-Binding ProteinsAscorbic AcidBiological MarkersNevus, BlueReticulocytesBloodlettingBody WeightRisk FactorsAnthropometry