Sperm Injections, IntracytoplasmicSperm HeadFertilization in VitroSperm CountInfertility, MaleMicroinjectionsOligospermiaSpermatozoaEmbryo TransferSperm CapacitationPregnancyOocytesPregnancy RateReproductive TechniquesCryopreservationFertilizationSperm-Ovum InteractionsSemen PreservationSperm RetrievalInjectionsSperm MaturationMicromanipulationEjaculationPregnancy OutcomeSemenTestisSperm MotilityInsemination, ArtificialEpididymisAcrosomeCytoplasmCleavage Stage, OvumEmbryo ImplantationZona PellucidaAzoospermiaReproductive Techniques, AssistedSperm TransportSemen AnalysisInfertilityY ChromosomeZygoteBlastocystSperm MidpiecePregnancy, MultipleSuctionOvulation InductionEmbryo, MammalianEmbryonic and Fetal DevelopmentOocyte RetrievalKlinefelter SyndromeFertilityInfertility, FemaleEmbryonic DevelopmentSperm BanksVasovasostomySex Chromosome AberrationsTripletsSpermatidsChromosome AberrationsSperm TailAbortion, SpontaneousInsemination, Artificial, HomologousAneuploidyCongenital AbnormalitiesLive BirthEmbryo Culture TechniquesVasectomyMenotropinsFollicle Stimulating HormoneMicrosurgeryMicroscopy, ElectronInseminationPovidoneCryoprotective AgentsOvumProtaminesKaryotypingParthenogenesisDNA FragmentationSperm WhaleDigestive System AbnormalitiesMetaphaseSpermatogenesisCell NucleusFollicular FluidIn Situ Hybridization, FluorescenceFallopian TubesVas DeferensFollicle Stimulating Hormone, HumanHorsesTwinsTime FactorsInclusion BodiesPreimplantation DiagnosisInjections, IntravenousInjections, IntramuscularRetrospective StudiesChromatinInclusion Bodies, ViralOvarian Hyperstimulation Syndrome