Embryo, MammalianBlastocystEmbryonic DevelopmentEmbryonic and Fetal DevelopmentEmbryo ImplantationGene Expression Regulation, DevelopmentalPregnancyEndodermMorulaGerm LayersEmbryo, NonmammalianZygoteBlastomeresChick EmbryoCleavage Stage, OvumIn Situ HybridizationEmbryo LossEctodermTrophoblastsEctogenesisMice, Inbred ICRBlastocyst Inner Cell MassYolk SacMice, Inbred StrainsMorphogenesisMesodermGastrulaMice, Inbred CBAOocytesBody PatterningCell DifferentiationMice, Inbred C57BLFibroblast Growth Factor 4Cell LineageTime FactorsRNA, MessengerFertilization in VitroParthenogenesisTranscription FactorsCulture TechniquesDeciduaChimeraGenes, LethalMolecular Sequence DataEmbryonic Stem CellsGenomic ImprintingStem CellsBase SequenceUterusMice, Mutant StrainsEmbryo Culture TechniquesEmbryo Implantation, DelayedCochlear ImplantationMice, KnockoutVisceraHomeodomain ProteinsTeratogensDNA-Binding ProteinsImmunohistochemistryFetal DeathTeratomaOctamer Transcription Factor-3Cloning, OrganismGestational AgeAbnormalities, Drug-InducedCells, CulturedNuclear Transfer TechniquesEmbryo TransferSignal TransductionPregnancy, AnimalCryopreservationPlacentaGene ExpressionFetal ViabilityMice, TransgenicGastrulationMutationTranscription, GeneticProteinsExtraembryonic MembranesPhenotypeCrosses, GeneticModels, BiologicalEmbryo DispositionZebrafishCochlear ImplantsHomozygoteNodal ProteinPregnancy RateDNA PrimersLens Implantation, IntraocularAmino Acid SequenceCell CountReverse Transcriptase Polymerase Chain ReactionProsthesis DesignTreatment OutcomePolyploidyCell DivisionCulture MediaFluorescent Antibody Technique