BlastocystEmbryo ImplantationUterusEndometriumPregnancyEmbryo Implantation, DelayedPregnancy MaintenanceLeukemia Inhibitory FactorEmbryonic DevelopmentDeciduaTrophoblastsEmbryo, MammalianMephitidaePseudopregnancyFertilization in VitroPregnancy, AnimalEmbryo TransferProgesteroneEmbryo Culture TechniquesBlastomeresEmbryonic and Fetal DevelopmentCryopreservationMorulaEmbryo ResearchEmbryo, NonmammalianPregnancy RateZygoteCleavage Stage, OvumImmunohistochemistryEstradiolCulture TechniquesChick EmbryoCochlear ImplantationRNA, MessengerVitrificationPersonhoodSperm Injections, IntracytoplasmicOocytesEctogenesisLens Implantation, IntraocularCloning, OrganismBlastocyst Inner Cell MassGene Expression Regulation, DevelopmentalBeginning of Human LifeTime FactorsEmbryo DispositionPreimplantation DiagnosisFetal ViabilitySingle Embryo TransferEmbryo LossZona PellucidaPacemaker, ArtificialEthylene GlycolNuclear Transfer TechniquesStentsCulture MediaPregnancy OutcomeCryoprotective AgentsProsthesis DesignTreatment OutcomeMosaicismIncubatorsFallopian TubesFertilizationLifeParthenogenesisValue of LifeReproductive TechniquesGestational AgeEmbryologyAnatomy, ArtisticTheologyProstheses and ImplantsAortic Valve StenosisEmbryonic Stem CellsIn Situ HybridizationDrug-Eluting StentsCattleSuperovulationDefibrillators, ImplantableResearch Embryo CreationGerm LayersAneuploidyLenses, IntraocularCardiac CatheterizationCell CountReproductive Techniques, AssistedElectrodes, ImplantedCell DifferentiationMice, Inbred StrainsFetal ResearchBioprosthesisCells, CulturedRetrospective StudiesMice, Inbred ICRPrenatal InjuriesPenile ImplantationCoronary RestenosisFollow-Up StudiesHeart-Assist Devices