Infant, NewbornFetal BloodPregnancyMothersSpinal CordSpinal Cord InjuriesInfant, PrematureUmbilical CordBlood BanksInfant CareInfant, Premature, DiseasesAntigens, CD34Infant FoodMaternal-Fetal ExchangeHematopoietic Stem CellsInfant, Newborn, DiseasesInfant BehaviorInfant FormulaInfant MortalityGestational AgeBreast FeedingInfant Nutritional Physiological PhenomenaSpinal Cord DiseasesSudden Infant DeathSpinal Cord CompressionMaternal ExposureBirth WeightInfant, Low Birth WeightInfectious Disease Transmission, VerticalHematopoietic Stem Cell TransplantationInfant, Very Low Birth WeightMother-Child RelationsSpermatic CordCells, CulturedSpinal Cord IschemiaSpinal Cord NeoplasmsCell DifferentiationChild DevelopmentInfant, Small for Gestational AgeCord Blood Stem Cell TransplantationMice, SCIDPregnancy Complications, InfectiousPrenatal Exposure Delayed EffectsInfant WelfareTime FactorsMilk, HumanColony-Forming Units AssayHistocompatibility TestingPlacentaBlood PreservationImmunophenotypingCell SeparationMice, Inbred NODPregnancy ComplicationsCell Culture TechniquesFlow CytometryAntigens, CDGraft vs Host DiseaseAntigens, CD38FetusADP-ribosyl CyclaseCord FactorsStem CellsBottle FeedingLeukocytes, MononuclearBone Marrow CellsNuchal CordHematologic NeoplasmsDelivery, ObstetricInfant, Extremely Low Birth WeightBlood CellsTransplantation ConditioningCell LineageParaplegiaHematopoiesisImmunity, Maternally-AcquiredProspective StudiesStem Cell FactorGraft SurvivalBlood Cell CountVocal CordsPregnancy Trimester, ThirdCryingTransplantation, HomologousAmniotic FluidPregnancy OutcomePregnancy in DiabeticsAntigens, CD45Premature BirthUnrelated DonorsPregnancy Complications, ParasiticInfant, Extremely PrematureMaternal-Fetal RelationsTransplantation ChimeraMaternal AgeCohort StudiesDirected Tissue DonationRisk FactorsNAD+ NucleosidaseBronchopulmonary Dysplasia