Hematologic DiseasesFetal BloodUmbilical CordCord Blood Stem Cell TransplantationStem CellsHematopoietic Stem CellsBlood BanksSpinal CordAntigens, CD34Umbilical VeinsInfant, NewbornHematopoietic Stem Cell TransplantationUmbilical ArteriesStem Cell TransplantationSpinal Cord InjuriesPregnancyCell DifferentiationEmbryonic Stem CellsMesenchymal Stromal CellsCells, CulturedAdult Stem CellsMaternal-Fetal ExchangeCell SeparationStem Cell FactorCell Culture TechniquesCell LineagePluripotent Stem CellsColony-Forming Units AssayMesenchymal Stem Cell TransplantationGraft vs Host DiseaseFetal Stem CellsFlow CytometryMice, SCIDBone Marrow CellsTransplantation ConditioningAntigens, CDMultipotent Stem CellsBlood PreservationHistocompatibility TestingInduced Pluripotent Stem CellsStem Cell NicheTransplantation, HomologousNeural Stem CellsMice, Inbred NODImmunophenotypingHematopoiesisHematologic NeoplasmsCell ProliferationAntigens, CD38Hernia, UmbilicalPlacentaGestational AgeADP-ribosyl CyclaseGraft SurvivalNuchal CordFetusBlood Cell CountCoculture TechniquesUrachal CystBlood CellsDonor SelectionTransplantation ChimeraUnrelated DonorsTime FactorsAmniotic FluidHematopoietic Stem Cell MobilizationTransplantation, HeterologousNAD+ NucleosidaseLeukocytes, MononuclearWharton JellyCryopreservationEndothelial CellsMyeloablative AgonistsLeukemiaMaternal ExposureTissue DonorsCell DivisionAntigens, CD45Biological MarkersHuman Umbilical Vein Endothelial CellsBlood DonorsHLA AntigensCell SurvivalInfant, PostmatureSpinal Cord DiseasesStem Cell ResearchCell- and Tissue-Based TherapyUltrasonography, PrenatalReverse Transcriptase Polymerase Chain ReactionTransplantation, AutologousErythroid Precursor CellsTreatment OutcomeUmbilicusPlant StemsCell CountBlood Transfusion, AutologousStromal CellsSpinal Cord CompressionAntigens, DifferentiationHematopoietic Cell Growth Factors