Umbilical CordFetal BloodPlacentaSpinal CordSpinal Cord InjuriesUmbilical VeinsUmbilical ArteriesPregnancyCord Blood Stem Cell TransplantationBlood BanksInfant, NewbornAntigens, CD34Maternal-Fetal ExchangePlacenta DiseasesHematopoietic Stem CellsCells, CulturedGestational AgeHernia, UmbilicalPlacenta PreviaPlacenta AccretaFetusSpinal Cord DiseasesUrachal CystPlacenta, RetainedSpinal Cord CompressionCell DifferentiationHematopoietic Stem Cell TransplantationSpermatic CordMesenchymal Stromal CellsWharton JellyUltrasonography, PrenatalCell SeparationSpinal Cord NeoplasmsCell Culture TechniquesSpinal Cord IschemiaHuman Umbilical Vein Endothelial CellsAntigens, CDTrophoblastsFlow CytometryMice, SCIDStem CellsColony-Forming Units AssayBlood PreservationMaternal ExposureNuchal CordUmbilicusImmunophenotypingAmniotic FluidHistocompatibility TestingGraft vs Host DiseasePregnancy Trimester, ThirdFetal HypoxiaMice, Inbred NODTime FactorsAntigens, CD38Fetal Growth RetardationTransplantation ConditioningCesarean SectionPre-EclampsiaCell LineageBone Marrow CellsPregnancy Trimester, FirstADP-ribosyl CyclaseEndothelial CellsHematologic NeoplasmsCord FactorsEndothelium, VascularHematopoiesisPlacental CirculationLeukocytes, MononuclearDelivery, ObstetricCoculture TechniquesBirth WeightBlood CellsFetal DiseasesParaplegiaChorionic VilliGraft SurvivalFetal Stem CellsBlood Cell CountTransplantation, HomologousPregnancy OutcomeUnrelated DonorsPregnancy ComplicationsVocal CordsChorioamnionitisStem Cell FactorCell ProliferationFetal DevelopmentMeconiumDonor SelectionImmunohistochemistryApgar ScoreInfant, Newborn, DiseasesAntigens, CD45Transplantation ChimeraNAD+ NucleosidaseChorionPregnancy Complications, ParasiticInfant, Premature