Umbilical CordFetal BloodSpinal CordUmbilical VeinsUmbilical ArteriesSpinal Cord InjuriesCord Blood Stem Cell TransplantationBlood BanksPregnancyInfant, NewbornHernia, UmbilicalAntigens, CD34Urachal CystHematopoietic Stem CellsMaternal-Fetal ExchangeCells, CulturedWharton JellyGestational AgeMesenchymal Stromal CellsHuman Umbilical Vein Endothelial CellsSpinal Cord DiseasesUltrasonography, PrenatalUmbilicusPlacentaSpinal Cord CompressionFetusCell DifferentiationHematopoietic Stem Cell TransplantationSpermatic CordCell SeparationCell Culture TechniquesFetal HypoxiaSpinal Cord NeoplasmsStem CellsNuchal CordFlow CytometryEndothelium, VascularSpinal Cord IschemiaAntigens, CDBlood PreservationMice, SCIDEndothelial CellsColony-Forming Units AssayHistocompatibility TestingImmunophenotypingGraft vs Host DiseaseAmniotic FluidTime FactorsMaternal ExposureMice, Inbred NODAntigens, CD38Transplantation ConditioningFetal DiseasesCell LineageCoculture TechniquesBone Marrow CellsUrachusHematologic NeoplasmsADP-ribosyl CyclaseFetal Growth RetardationMeconiumApgar ScoreCesarean SectionCord FactorsDelivery, ObstetricPregnancy OutcomeLeukocytes, MononuclearCell ProliferationConstrictionBirth WeightTransplantation, HomologousHematopoiesisBlood Cell CountUnrelated DonorsBlood CellsGraft SurvivalParaplegiaFetal Stem CellsUltrasonography, DopplerDonor SelectionHeart Rate, FetalInfant, Newborn, DiseasesVocal CordsPregnancy Trimester, FirstPlacental CirculationAsphyxiaPregnancy Trimester, ThirdInfant, PrematureStem Cell FactorTransplantation ChimeraCryopreservationNAD+ NucleosidaseChorioamnionitisTransplantation, HeterologousStem Cell TransplantationFetal DistressMesenchymal Stem Cell TransplantationAntigens, CD45Spinal Cord RegenerationPregnancy Complications