Nuclear Transfer TechniquesCloning, OrganismEmbryo, MammalianStem CellsBlastocystEmbryonic DevelopmentEmbryo ImplantationBlastomeresEmbryo ResearchEmbryo TransferFertilization in VitroEmbryo Culture TechniquesEmbryonic Stem CellsEmbryonic and Fetal DevelopmentEmbryo, NonmammalianPregnancyChick EmbryoPluripotent Stem CellsOocytesStem Cell TransplantationPersonhoodCryopreservationResearch Embryo CreationParthenogenesisBeginning of Human LifeMorulaHematopoietic Stem CellsCell DifferentiationGene Expression Regulation, DevelopmentalEmbryo DispositionAdult Stem CellsNuclear ReprogrammingZygoteTotipotent Stem CellsEctogenesisCulture TechniquesInduced Pluripotent Stem CellsPregnancy RateCell NucleusCell LineageOctamer Transcription Factor-3Sperm Injections, IntracytoplasmicPreimplantation DiagnosisCells, CulturedLifeHematopoietic Stem Cell TransplantationMolecular Sequence DataValue of LifeStem Cell NicheEmbryologyMosaicismNeural Stem CellsCleavage Stage, OvumAnatomy, ArtisticCattleTheologyCell LineBase SequenceFetusFibroblastsIncubatorsSingle Embryo TransferTime FactorsFetal ViabilityMultipotent Stem CellsCell Culture TechniquesTrophoblastsCulture MediaGestational AgeGene Transfer TechniquesAnimals, Genetically ModifiedFetal ResearchMesenchymal Stem Cell TransplantationGerm LayersPrenatal InjuriesMesenchymal Stromal CellsReproductive Techniques, AssistedEthylene GlycolFertilizationEmbryo LossRNA, MessengerCloning, MolecularStem Cell FactorMoralsPregnancy OutcomeCell DedifferentiationAmino Acid SequenceCryoprotective AgentsReproductive TechniquesVitrificationMesodermChimeraSciencePhenotypeMice, Inbred C57BLImmunohistochemistryTranscription FactorsAneuploidyGene ExpressionHuman Characteristics