Stem CellsEmbryo, MammalianEmbryonic Stem CellsBlastocystStem Cell TransplantationEmbryo ResearchEmbryo ImplantationHematopoietic Stem CellsPluripotent Stem CellsBlastomeresEmbryonic DevelopmentAdult Stem CellsCell DifferentiationEmbryo, NonmammalianInduced Pluripotent Stem CellsFertilization in VitroChick EmbryoHematopoietic Stem Cell TransplantationEmbryonic and Fetal DevelopmentStem Cell NicheNeural Stem CellsPersonhoodPregnancyEmbryo Culture TechniquesMolecular Sequence DataBeginning of Human LifeCryopreservationCell LineageMultipotent Stem CellsGene Expression Regulation, DevelopmentalEmbryo DispositionMesenchymal Stem Cell TransplantationCells, CulturedMesenchymal Stromal CellsBase SequenceStem Cell FactorCell LineEmbryo TransferAmino Acid SequenceCloning, MolecularCloning, OrganismCell Culture TechniquesOctamer Transcription Factor-3Totipotent Stem CellsZygoteCulture TechniquesSignal TransductionPregnancy RateStem Cell ResearchCell Adhesion MoleculesTime FactorsPreimplantation DiagnosisMorulaValue of LifeLifeGerm LayersRNA, MessengerCell ProliferationPlant StemsMosaicismModels, BiologicalMice, Inbred C57BLFetal Stem CellsOocytesImmunohistochemistryAnatomy, ArtisticTheologyEctogenesisPhenotypeHomeodomain ProteinsTranscription FactorsEmbryologyResearch Embryo CreationIncubatorsCoculture TechniquesSperm Injections, IntracytoplasmicMutationCulture MediaMesodermGene ExpressionBone Marrow CellsCell SeparationHematopoietic Stem Cell MobilizationNeoplastic Stem CellsFlow CytometryGene Expression ProfilingTrophoblastsSingle Embryo TransferFetusGene Expression RegulationCell DivisionFetal ResearchRegenerationHematopoiesisFeeder CellsEmbryo LossPrenatal InjuriesIn Situ HybridizationGestational AgeEthylene Glycol