Sperm Injections, IntracytoplasmicFertilization in VitroHyaluronic AcidMicroinjectionsInfertility, MaleSpermatozoaSperm HeadOligospermiaEmbryo TransferSperm CountPregnancyOocytesPregnancy RateReproductive TechniquesSperm RetrievalCryopreservationInjectionsMicromanipulationPregnancy OutcomeFertilizationSemen PreservationSperm-Ovum InteractionsSperm MotilityEjaculationCytoplasmCleavage Stage, OvumTestisEmbryo ImplantationInsemination, ArtificialSperm CapacitationAntigens, CD44SemenReproductive Techniques, AssistedAzoospermiaSperm MaturationGlucuronosyltransferaseEpididymisHyaluronoglucosaminidaseInfertilityY ChromosomeZona PellucidaAcrosomePregnancy, MultipleBlastocystZygoteEmbryo, MammalianOvulation InductionOocyte RetrievalSuctionEmbryonic and Fetal DevelopmentKlinefelter SyndromeInfertility, FemaleSemen AnalysisEmbryonic DevelopmentVasovasostomyTripletsSex Chromosome AberrationsSpermatidsSperm TailChromosome AberrationsAbortion, SpontaneousCongenital AbnormalitiesSperm TransportLive BirthMenotropinsFertilityInsemination, Artificial, HomologousEmbryo Culture TechniquesAneuploidyFollicle Stimulating HormoneMicrosurgeryMicroscopy, ElectronInjections, Intra-ArticularVasectomyKaryotypingDigestive System AbnormalitiesFollicular FluidSpermatogenesisPovidoneSperm MidpieceTime FactorsInseminationParthenogenesisMetaphaseInclusion BodiesTwinsInjections, IntravenousInjections, IntramuscularVersicansGlycosyltransferasesCryoprotective AgentsCell NucleusFollicle Stimulating Hormone, HumanHorsesTransferasesPreimplantation DiagnosisHymecromoneRetrospective StudiesVas DeferensInclusion Bodies, Viral