Stem CellsEmbryo, MammalianEmbryonic Stem CellsBlastocystStem Cell TransplantationEmbryo ResearchEmbryo ImplantationHematopoietic Stem CellsPluripotent Stem CellsBlastomeresAdult Stem CellsEmbryonic DevelopmentCell DifferentiationEmbryo, NonmammalianInduced Pluripotent Stem CellsFertilization in VitroChick EmbryoHematopoietic Stem Cell TransplantationEmbryonic and Fetal DevelopmentStem Cell NicheNeural Stem CellsPregnancyMolecular Sequence DataPersonhoodEmbryo Culture TechniquesBeginning of Human LifeCell LineageCryopreservationGene Expression Regulation, DevelopmentalMultipotent Stem CellsBase SequenceEmbryo DispositionMesenchymal Stem Cell TransplantationMesenchymal Stromal CellsCloning, MolecularCells, CulturedStem Cell FactorAmino Acid SequenceCell LineEmbryo TransferRNA, MessengerCell Culture TechniquesCloning, OrganismOctamer Transcription Factor-3Totipotent Stem CellsCulture TechniquesOrgan SpecificityZygoteImmunohistochemistryTime FactorsPregnancy RateStem Cell ResearchValue of LifePreimplantation DiagnosisMorulaLifeGerm LayersCell ProliferationMosaicismPlant StemsGene ExpressionGene Expression ProfilingTissue DistributionFetal Stem CellsTranscription FactorsFetusOocytesAnatomy, ArtisticModels, BiologicalDNA, ComplementaryHomeodomain ProteinsPhenotypeTheologyEctogenesisSignal TransductionMice, Inbred C57BLEmbryologyReverse Transcriptase Polymerase Chain ReactionResearch Embryo CreationIncubatorsMesodermSperm Injections, IntracytoplasmicGene Expression RegulationCulture MediaIn Situ HybridizationBone Marrow CellsCoculture TechniquesCell SeparationTrophoblastsHematopoietic Stem Cell MobilizationNeoplastic Stem CellsSequence Homology, Amino AcidMutationSingle Embryo TransferGestational AgeCell DivisionFetal ResearchRegenerationPrenatal InjuriesEmbryo Loss