Umbilical CordPlacentaFetal BloodUmbilical VeinsUmbilical ArteriesCord Blood Stem Cell TransplantationSpinal CordPregnancySpinal Cord InjuriesHernia, UmbilicalUrachal CystInfant, NewbornCells, CulturedLeukocytes, MononuclearPlacenta DiseasesBlood BanksMaternal-Fetal ExchangeWharton JellyGestational AgeAntigens, CD34Ultrasonography, PrenatalHuman Umbilical Vein Endothelial CellsFetusUmbilicusHematopoietic Stem CellsMesenchymal Stromal CellsPlacenta PreviaFlow CytometryPlacenta AccretaEndothelium, VascularCell DifferentiationPlacenta, RetainedCell SeparationAntigens, CDFetal HypoxiaHematopoietic Stem Cell TransplantationLymphocytesEndothelial CellsTime FactorsBlood CellsT-LymphocytesImmunophenotypingPlacental CirculationPeripheral NervesFetal Growth RetardationStem CellsPregnancy Trimester, FirstMonocytesCell Culture TechniquesFetal DiseasesTrophoblastsAmniotic FluidUrachusPre-EclampsiaSpinal Cord DiseasesCesarean SectionLymphocyte ActivationRNA, MessengerCoculture TechniquesUltrasonography, DopplerColony-Forming Units AssayPregnancy Trimester, ThirdSpinal Cord CompressionNuchal CordHeart Rate, FetalBlood Cell CountPregnancy OutcomeCytokinesBone Marrow CellsReverse Transcriptase Polymerase Chain ReactionGraft vs Host DiseaseImmunohistochemistryCell ProliferationMice, SCIDLeukocytesApgar ScoreChorionBlood PreservationAsphyxiaMeconiumLeukocyte CountFetal DistressPolymerase Chain ReactionDelivery, ObstetricTransplantation ConditioningConstrictionSpermatic CordTransplantation, HomologousChorioamnionitisPregnancy Trimester, SecondPeripheral Blood Stem Cell TransplantationBiological MarkersAmnionGene Expression RegulationHistocompatibility TestingCell AdhesionMolecular Sequence DataSheepSpinal Cord NeoplasmsHematopoiesis