Zygote Intrafallopian TransferOocytesZygoteEmbryo, MammalianBlastocystEmbryo ImplantationCryopreservationEmbryo, NonmammalianEmbryo TransferFertilizationFertilization in VitroChick EmbryoPregnancySperm Injections, IntracytoplasmicEmbryonic DevelopmentEmbryonic and Fetal DevelopmentCleavage Stage, OvumEmbryo LossGene Expression Regulation, DevelopmentalEmbryo Implantation, DelayedOocyte DonationOogenesisBlastomeresXenopus laevisMorulaPregnancy RateXenopusOocyte RetrievalMeiosisMicroinjectionsTime FactorsCochlear ImplantationIn Vitro Oocyte Maturation TechniquesParthenogenesisEmbryo DispositionIn Situ HybridizationNuclear Transfer TechniquesZebrafishUterusLens Implantation, IntraocularMolecular Sequence DataOvumEctogenesisCulture TechniquesGastrulaBody PatterningRNA, MessengerSingle Embryo TransferEndometriumZona PellucidaXenopus ProteinsCumulus CellsOvaryMorphogenesisMetaphaseBase SequenceCloning, OrganismEmbryo ResearchMesodermSpermatozoaTreatment OutcomeVitrificationEctodermOvulation InductionFetal ViabilitySuperovulationPregnancy OutcomeAmino Acid SequencePacemaker, ArtificialZebrafish ProteinsDrosophila ProteinsCattleCell NucleusTrophoblastsHomeodomain ProteinsStentsDrosophilaSperm-Ovum InteractionsEndodermProsthesis DesignCell DifferentiationProgesteronePreimplantation DiagnosisTranscription FactorsCryoprotective AgentsMice, Inbred ICRMice, Inbred StrainsChorionic GonadotropinMutationCytoplasmDeciduaReproductive TechniquesCulture MediaImmunohistochemistryFallopian TubesSeedsAnimals, Genetically ModifiedInfertilityEmbryonic InductionSea Urchins