Fetal BloodUmbilical CordPlacentaSpinal CordPregnancyUmbilical ArteriesUmbilical VeinsCordocentesisMaternal-Fetal ExchangeFetusSpinal Cord InjuriesCord Blood Stem Cell TransplantationInfant, NewbornGestational AgeFetal DiseasesBlood BanksBlood Transfusion, IntrauterinePlacenta DiseasesAmniotic FluidFetal HypoxiaFetomaternal TransfusionUltrasonography, PrenatalHeart Rate, FetalHernia, UmbilicalHematopoietic Stem CellsErythroblastosis, FetalPlacenta PreviaFetoscopyAntigens, CD34Placenta AccretaRh IsoimmunizationFetal Growth RetardationPregnancy Trimester, ThirdPlacental CirculationPrenatal DiagnosisPlacenta, RetainedUrachal CystSheepCells, CulturedBlood Specimen CollectionTrophoblastsHydrops FetalisPregnancy Trimester, SecondFetal Stem CellsWharton JellyPregnancy Trimester, FirstFetal DeathChorionic VilliPregnancy, AnimalLabor, ObstetricMesenchymal Stromal CellsHuman Umbilical Vein Endothelial CellsCesarean SectionSpinal Cord DiseasesCell DifferentiationUltrasonography, DopplerUmbilicusFetal DevelopmentSpinal Cord CompressionBlood Gas AnalysisCardiotocographyHematopoietic Stem Cell TransplantationFetal WeightSpermatic CordCell SeparationCell Culture TechniquesUterusPre-EclampsiaStem CellsSpinal Cord NeoplasmsEndothelium, VascularFetal HemoglobinAntigens, CDFetal HeartFetofetal TransfusionBlood Flow VelocityFlow CytometryAnesthesia, ObstetricalNuchal CordEndothelial CellsSpinal Cord IschemiaBlood PreservationMice, SCIDColony-Forming Units AssayMaternal ExposureTime FactorsImmunophenotypingVitamin K Deficiency BleedingHemoglobinopathiesHistocompatibility TestingGraft vs Host DiseaseEmbryonic and Fetal DevelopmentChorionPregnancy OutcomeMice, Inbred NODDelivery, ObstetricPregnancy ProteinsChorioamnionitisAntigens, CD38Transplantation Conditioning