Chick EmbryoCulture TechniquesSeedsEmbryo, MammalianEmbryo, NonmammalianBlastocystEmbryonic DevelopmentEmbryo ImplantationCleavage Stage, OvumBlastomeresEmbryonic and Fetal DevelopmentFertilization in VitroGene Expression Regulation, DevelopmentalPregnancyZygoteMorulaGastrulaCryopreservationEmbryo Culture TechniquesEmbryo LossOocytesEmbryo Implantation, DelayedEmbryo TransferIn Situ HybridizationEctogenesisMesodermZebrafishXenopus ProteinsPregnancy RateBody PatterningSperm Injections, IntracytoplasmicTime FactorsNuclear Transfer TechniquesMorphogenesisEctodermBlastocyst Inner Cell MassEndodermCochlear ImplantationPreimplantation DiagnosisSea UrchinsCloning, OrganismMolecular Sequence DataXenopus laevisBlastulaEmbryonic InductionEmbryo DispositionRNA, MessengerVitrificationHomeodomain ProteinsUterusMicroinjectionsLens Implantation, IntraocularFertilizationBase SequenceTranscription FactorsSingle Embryo TransferParthenogenesisSuperovulationXenopusZebrafish ProteinsMice, Inbred ICRCoffeaEndometriumAnimals, Genetically ModifiedOvumCell DifferentiationFallopian TubesNervous SystemAmino Acid SequenceEmbryo ResearchPolar BodiesMice, Inbred StrainsTreatment OutcomeDrosophila ProteinsPacemaker, ArtificialGene ExpressionCattleTrophoblastsCell LineageStentsProsthesis DesignImmunohistochemistryCulture MediaFetal ViabilityMice, Inbred C57BLMice, Inbred CBADNA, ComplementaryDNA-Binding ProteinsGerm CellsCell NucleusMutationSignal TransductionSpermatozoaReverse Transcriptase Polymerase Chain ReactionDeciduaGenes, HomeoboxEmbryonic Stem CellsTranscription, GeneticCloning, MolecularPregnancy Outcome