ZygoteEmbryo, MammalianEmbryo Implantation, DelayedEmbryo, NonmammalianChick EmbryoCochlear ImplantationPregnancyEmbryonic DevelopmentFertilization in VitroBlastocystLens Implantation, IntraocularEmbryo ImplantationZygote Intrafallopian TransferCleavage Stage, OvumEmbryonic and Fetal DevelopmentEmbryo TransferUterusPacemaker, ArtificialTime FactorsEndometriumTreatment OutcomeEmbryo LossStentsProsthesis DesignGene Expression Regulation, DevelopmentalBlastomeresFertilizationPregnancy RateCryopreservationMorulaSperm Injections, IntracytoplasmicOocytesProstheses and ImplantsAortic Valve StenosisDrug-Eluting StentsDeciduaDefibrillators, ImplantableTrophoblastsLenses, IntraocularFollow-Up StudiesCardiac CatheterizationElectrodes, Implanted