Embryo, MammalianCell DifferentiationEmbryonic DevelopmentEmbryo ImplantationBlastocystEmbryonic and Fetal DevelopmentPregnancyEmbryo, NonmammalianGene Expression Regulation, DevelopmentalEmbryo LossChick EmbryoYolk SacTrophoblastsDeciduaGerm LayersIn Situ HybridizationCochlear ImplantationUterusTime FactorsStem CellsMorulaRNA, MessengerCells, CulturedEmbryo Implantation, DelayedMice, Inbred C57BLChimeraEndodermGastrulaEctodermTranscription FactorsBlastomeresParthenogenesisMolecular Sequence DataFertilization in VitroMorphogenesisTeratogensGenes, LethalZygoteEmbryonic Stem CellsFetal DeathCulture TechniquesBase SequenceImmunohistochemistryMice, Inbred CBAGene ExpressionMesodermCell DivisionMice, Inbred ICRPregnancy, AnimalPlacentaCell LineAbnormalities, Drug-InducedEmbryo TransferSignal TransductionMice, TransgenicEmbryo Culture TechniquesMice, Inbred StrainsPhenotypeOocytesDNA-Binding ProteinsReverse Transcriptase Polymerase Chain ReactionCochlear ImplantsCell LineageGestational AgeMice, KnockoutLens Implantation, IntraocularProsthesis DesignCloning, OrganismGene Expression RegulationTreatment OutcomeSex DifferentiationHomeodomain ProteinsExtraembryonic MembranesNuclear Transfer TechniquesMice, Mutant StrainsCleavage Stage, OvumAmino Acid SequenceCell ProliferationPolyploidyTretinoinEndometriumPluripotent Stem CellsFluorescent Antibody TechniqueCrosses, GeneticCell CountCulture MediaProgesteroneZebrafishLitter SizePacemaker, ArtificialGenomic ImprintingOsteogenesisHistocytochemistryTranscription, GeneticPolymerase Chain ReactionPregnancy RateCryopreservationStentsFertilityHomozygote