Stem CellsStromal CellsPeripheral Blood Stem Cell TransplantationFetal BloodHematopoietic Stem Cell TransplantationHematopoietic Stem CellsStem Cell TransplantationHematopoietic Stem Cell MobilizationTransplantation, AutologousEmbryonic Stem CellsAdult Stem CellsMesenchymal Stromal CellsPluripotent Stem CellsCell DifferentiationGranulocyte Colony-Stimulating FactorCord Blood Stem Cell TransplantationStem Cell NicheLeukapheresisTransplantation, HomologousAntigens, CD34CordocentesisMesenchymal Stem Cell TransplantationNeural Stem CellsMultipotent Stem CellsInduced Pluripotent Stem CellsBone Marrow CellsStem Cell FactorBlood Component RemovalTransplantation ConditioningFetusCells, CulturedHematopoiesisCell LineagePregnancyHematologic NeoplasmsBone Marrow TransplantationGraft vs Host DiseaseFetal Stem CellsMelphalanGraft SurvivalCell ProliferationMaternal-Fetal ExchangeCombined Modality TherapyBlood Transfusion, IntrauterineMultiple MyelomaCyclophosphamideStem Cell ResearchColony-Forming Units AssayCell SeparationPlant StemsBlood CellsCell Culture TechniquesBone MarrowCoculture TechniquesFlow CytometryFetomaternal TransfusionBusulfanAntineoplastic Combined Chemotherapy ProtocolsFetal DiseasesPlacentaTreatment OutcomeMice, Inbred C57BLAmniotic FluidBlood Cell CountNeoplastic Stem CellsRh IsoimmunizationErythroblastosis, FetalTissue DonorsRegenerationTransplantation ChimeraTime FactorsEndometriumMice, SCIDAntineoplastic Agents, AlkylatingAntigens, CDLymphoma, Non-HodgkinWhole-Body IrradiationImmunohistochemistryEtoposideThiotepaRecurrenceGestational AgeOctamer Transcription Factor-3Reverse Transcriptase Polymerase Chain ReactionFetoscopyMyeloablative AgonistsHeart Rate, FetalRemission InductionRegenerative MedicineUmbilical CordSignal TransductionHistocompatibilityLeukemiaPrenatal DiagnosisProto-Oncogene Proteins c-kitImmunophenotypingCell DivisionFetal HypoxiaCell SurvivalCell Count