Embryo, MammalianStem CellsBlastocystEmbryo ImplantationEmbryonic DevelopmentEmbryo, NonmammalianEmbryonic Stem CellsChick EmbryoBlastomeresEmbryonic and Fetal DevelopmentEmbryo ResearchStem Cell TransplantationHematopoietic Stem CellsPluripotent Stem CellsGene Expression Regulation, DevelopmentalFertilization in VitroCell DifferentiationAdult Stem CellsPregnancyEmbryo Culture TechniquesCryopreservationInduced Pluripotent Stem CellsMorulaCell LineageEmbryo DispositionHematopoietic Stem Cell TransplantationZygoteStem Cell NicheNeural Stem CellsPersonhoodCulture TechniquesCleavage Stage, OvumMolecular Sequence DataBeginning of Human LifeCloning, OrganismMultipotent Stem CellsEmbryo LossBase SequenceEmbryo TransferEctogenesisCells, CulturedMesenchymal Stem Cell TransplantationMesodermIn Situ HybridizationMesenchymal Stromal CellsGerm LayersStem Cell FactorOocytesHomeodomain ProteinsOctamer Transcription Factor-3Cell LineCloning, MolecularPregnancy RateTranscription FactorsTotipotent Stem CellsTime FactorsRNA, MessengerCell Culture TechniquesEndodermMorphogenesisAmino Acid SequencePreimplantation DiagnosisMice, Inbred C57BLGastrulaFetal ViabilityBody PatterningPhenotypeMosaicismSignal TransductionSperm Injections, IntracytoplasmicCulture MediaTrophoblastsSingle Embryo TransferYolk SacEctodermImmunohistochemistryStem Cell ResearchGestational AgeEmbryologyValue of LifeLifeNuclear Transfer TechniquesChimeraGene ExpressionModels, BiologicalZebrafishMutationGerm CellsResearch Embryo CreationPlant StemsCell ProliferationIncubatorsCell DivisionMice, Inbred StrainsEthylene GlycolMice, TransgenicMice, Inbred ICRAnatomy, ArtisticCryoprotective AgentsFetal Stem Cells