Insemination, Artificial, HeterologousSperm Injections, IntracytoplasmicSperm BanksSpermatozoaTissue DonorsFertilization in VitroCryopreservationMicroinjectionsPregnancyInfertility, MaleSperm HeadOligospermiaEmbryo TransferSperm CountPregnancy RateReproductive TechniquesOocytesSperm RetrievalInjectionsMicromanipulationPregnancy OutcomeFertilizationSemen PreservationSperm-Ovum InteractionsSperm MotilityEjaculationCytoplasmCleavage Stage, OvumEmbryo ImplantationInsemination, ArtificialTestisSperm CapacitationSemenReproductive Techniques, AssistedAzoospermiaSperm MaturationEpididymisInfertilityY ChromosomeZona PellucidaAcrosomeBlastocystPregnancy, MultipleZygoteOvulation InductionEmbryo, MammalianOocyte RetrievalSuctionEmbryonic and Fetal DevelopmentBlood DonorsInfertility, FemaleKlinefelter SyndromeSemen AnalysisEmbryonic DevelopmentLiving DonorsVasovasostomyTripletsSex Chromosome AberrationsSpermatidsSperm TailChromosome AberrationsAbortion, SpontaneousCongenital AbnormalitiesLive BirthFertilityMenotropinsInsemination, Artificial, HomologousEmbryo Culture TechniquesSperm TransportAneuploidyFollicle Stimulating HormoneMicrosurgeryMicroscopy, ElectronKaryotypingVasectomySpermatogenesisDigestive System AbnormalitiesPovidoneSperm MidpieceRetrospective StudiesTime FactorsParthenogenesisInseminationMetaphaseTwinsInjections, IntravenousInclusion BodiesInjections, IntramuscularCryoprotective AgentsFollicle Stimulating Hormone, HumanFollicular FluidCell NucleusPreimplantation DiagnosisVas DeferensIn Situ Hybridization, FluorescenceOocyte DonationInclusion Bodies, ViralHorsesOvarian Hyperstimulation SyndromeDNA Fragmentation