Umbilical CordFetal BloodUmbilical VeinsUmbilical ArteriesCord Blood Stem Cell TransplantationSpinal CordPhysiologySpinal Cord InjuriesHernia, UmbilicalPregnancyUrachal CystInfant, NewbornBlood BanksWharton JellyHuman Umbilical Vein Endothelial CellsUltrasonography, PrenatalUmbilicusCells, CulturedGestational AgeMesenchymal Stromal CellsAntigens, CD34FetusMaternal-Fetal ExchangePlacentaHematopoietic Stem CellsEndothelium, VascularFetal HypoxiaEndothelial CellsCell DifferentiationUrachusSpinal Cord DiseasesFetal DiseasesCell Culture TechniquesStem CellsSpinal Cord CompressionNuchal CordCell SeparationTime FactorsUltrasonography, DopplerFetal Growth RetardationHeart Rate, FetalPlacental CirculationAmniotic FluidHematopoietic Stem Cell TransplantationApgar ScoreAsphyxiaFlow CytometrySpermatic CordMeconiumPregnancy Trimester, FirstPregnancy OutcomeCesarean SectionAntigens, CDConstrictionFetal DistressCoculture TechniquesSpinal Cord NeoplasmsDelivery, ObstetricBlood PreservationProlapseOligohydramniosCell ProliferationGraft vs Host DiseaseColony-Forming Units AssayMice, SCIDBlood Flow VelocityMesenchymal Stem Cell TransplantationImmunophenotypingTransplantation ConditioningHistocompatibility TestingCell LineageRNA, MessengerBirth WeightSpinal Cord IschemiaChorioamnionitisInfant, Newborn, DiseasesSingle Umbilical ArteryPre-EclampsiaNeovascularization, PhysiologicGenetic PhenomenaPregnancy Trimester, SecondPlacenta DiseasesIntestinal AtresiaPregnancy Trimester, ThirdUltrasonography, Doppler, ColorAmnionFetoscopyBone Marrow CellsAntigens, CD38ImmunohistochemistryCell AdhesionGene Expression RegulationSheepInfant, PrematureMaternal ExposurePregnancy ComplicationsDisease Models, AnimalAnti-Infective Agents, LocalSignal TransductionFetal Stem Cells