mRNA Cleavage and Polyadenylation FactorsCleavage Stage, OvumBlastocystEmbryo, MammalianBlastomeresEmbryo Culture TechniquesEmbryo ImplantationEmbryonic DevelopmentPolar BodiesEmbryo, NonmammalianEmbryo TransferPreimplantation DiagnosisFertilization in VitroCryopreservationPregnancyOocytesPregnancy RateEmbryonic and Fetal DevelopmentZygoteChick EmbryoMorulaGene Expression Regulation, DevelopmentalVitrificationEmbryo ResearchGastrulaBlastulaSea UrchinsSperm Injections, IntracytoplasmicMolecular Sequence DataXenopus ProteinsEmbryo DispositionFetal ViabilityPersonhoodFertilizationIn Situ HybridizationXenopus laevisMesodermCulture TechniquesEctogenesisEmbryonic InductionBeginning of Human LifeBody PatterningAneuploidyUrochordataZebrafishGerm LayersEctodermMorphogenesisAmino Acid SequenceOvumBase SequenceRNA, MessengerEmbryo LossCloning, OrganismXenopusTime FactorsCell NucleusTranscription FactorsZebrafish ProteinsOctamer Transcription Factor-3Single Embryo TransferLifeMosaicismCell DifferentiationNuclear Transfer TechniquesEmbryologyValue of LifeHomeodomain ProteinsBlastocyst Inner Cell MassAnatomy, ArtisticTheologyIncubatorsEndodermOogenesisCulture MediaResearch Embryo CreationDNA-Binding ProteinsMicroinjectionsSignal TransductionTranscription, GeneticEmbryonic Stem CellsEthylene GlycolFallopian TubesPrenatal InjuriesDNA CleavageGestational AgeCryoprotective AgentsFetal ResearchMutationReproductive TechniquesPregnancy, MultipleParthenogenesisIn Situ Hybridization, FluorescenceCytoplasmYolk SacCoffeaPregnancy Outcome