Stem CellsPeripheral Blood Stem Cell TransplantationFetal BloodHematopoietic Stem CellsHematopoietic Stem Cell TransplantationHematopoietic Stem Cell MobilizationTransplantation, AutologousStem Cell TransplantationAntigens, CD34Granulocyte Colony-Stimulating FactorCell DifferentiationAdult Stem CellsLeukapheresisCord Blood Stem Cell TransplantationCordocentesisNeural Stem CellsTransplantation, HomologousEmbryonic Stem CellsCell LineageBlood Component RemovalPluripotent Stem CellsHematopoiesisFetusMultipotent Stem CellsBone Marrow CellsStem Cell NicheColony-Forming Units AssayTransplantation ConditioningStem Cell FactorCells, CulturedBone Marrow TransplantationPregnancyHematologic NeoplasmsFetal Stem CellsInduced Pluripotent Stem CellsGraft vs Host DiseaseMelphalanMesenchymal Stromal CellsCell ProliferationGraft SurvivalBlood CellsMaternal-Fetal ExchangeMesenchymal Stem Cell TransplantationBlood Transfusion, IntrauterineCell SeparationCombined Modality TherapyCyclophosphamideNeoplastic Stem CellsFlow CytometryBlood Cell CountMyeloid Progenitor CellsBone MarrowPlant StemsMice, Inbred C57BLFetomaternal TransfusionMultiple MyelomaFetal DiseasesAntineoplastic Combined Chemotherapy ProtocolsBusulfanRegenerationPlacentaAntigens, CDCell CountRh IsoimmunizationTreatment OutcomeErythroblastosis, FetalAmniotic FluidCell Culture TechniquesTime FactorsLymphoma, Non-HodgkinAntineoplastic Agents, AlkylatingTissue DonorsGene Expression Regulation, DevelopmentalThiotepaTransplantation ChimeraNeurogenesisEtoposideNestinCell DivisionGestational AgeWhole-Body IrradiationEndothelial CellsFetoscopySignal TransductionHeart Rate, FetalLeukemiaStem Cell ResearchMice, SCIDMice, TransgenicRecombinant ProteinsCell MovementRemission InductionRecurrenceMyeloablative AgonistsPrenatal DiagnosisGranulocytesProto-Oncogene Proteins c-kitImmunophenotypingFetal HypoxiaHistocompatibility