BlastocystEmbryo TransferCleavage Stage, OvumFertilization in VitroEmbryo Culture TechniquesEmbryo ImplantationEmbryonic DevelopmentEmbryo, MammalianBlastomeresCryopreservationPregnancyMorulaPregnancy RatePreimplantation DiagnosisPolar BodiesEmbryonic and Fetal DevelopmentEmbryo, NonmammalianOocytesSingle Embryo TransferZygoteSperm Injections, IntracytoplasmicVitrificationCloning, OrganismNuclear Transfer TechniquesGene Expression Regulation, DevelopmentalPregnancy, MultipleBlastocyst Inner Cell MassCulture TechniquesParthenogenesisFetal ViabilityChick EmbryoEctogenesisPregnancy OutcomeLive BirthFertilizationCattleSuperovulationCulture MediaZona PellucidaGastrulaInfertility, FemaleFallopian TubesEmbryo LossInfertilityUterusTrophoblastsOvulation InductionMolecular Sequence DataTime FactorsEctodermBlastulaReproductive Techniques, AssistedMice, Inbred ICRGene Transfer TechniquesZygote Intrafallopian TransferSea UrchinsOocyte DonationOogenesisMice, Inbred StrainsOctamer Transcription Factor-3Embryo Implantation, DelayedOvumRNA, MessengerTwinsBase SequenceSpermatozoaReproductive TechniquesEndometriumMicroinjectionsCell NucleusIn Situ HybridizationIn Vitro Oocyte Maturation TechniquesXenopus ProteinsChorionic GonadotropinAmino Acid SequenceCumulus CellsAneuploidyEmbryonic InductionXenopus laevisCells, CulturedBody PatterningCryoprotective AgentsCell CountSwineMice, Inbred CBAMicromanipulationEndodermGerm LayersChimeraMesodermUrochordataZebrafishMice, Inbred C57BLCell DifferentiationAbortion, SpontaneousInsemination, ArtificialFreezingQuintupletsPregnancy, AnimalEthylene Glycol