Sperm Injections, IntracytoplasmicFertilization in VitroMicroinjectionsSpermatozoaInfertility, MaleOligospermiaEmbryo TransferSperm HeadReproductive TechniquesPregnancyPregnancy RateOocytesSperm RetrievalCryopreservationSperm CountMicromanipulationPregnancy OutcomeSperm MotilitySemen PreservationCleavage Stage, OvumFertilizationEjaculationEmbryo ImplantationInsemination, ArtificialSperm-Ovum InteractionsCytoplasmTestisReproductive Techniques, AssistedAzoospermiaInjectionsInfertilitySemenY ChromosomePregnancy, MultipleBlastocystOvulation InductionEpididymisOocyte RetrievalSuctionEmbryo, MammalianZygoteEmbryonic and Fetal DevelopmentInfertility, FemaleKlinefelter SyndromeZona PellucidaEmbryonic DevelopmentVasovasostomyTripletsSex Chromosome AberrationsSperm TailSperm MaturationAcrosomeSpermatidsChromosome AberrationsAbortion, SpontaneousCongenital AbnormalitiesMenotropinsLive BirthSperm CapacitationSemen AnalysisInsemination, Artificial, HomologousEmbryo Culture TechniquesMicrosurgeryAneuploidyFollicle Stimulating HormoneDigestive System AbnormalitiesSpermatogenesisKaryotypingFertilityPovidoneTwinsMetaphaseFollicle Stimulating Hormone, HumanPreimplantation DiagnosisVasectomyParthenogenesisFollicular FluidOvarian Hyperstimulation SyndromeVas DeferensInseminationRetrospective StudiesChromosome DisordersCryoprotective AgentsBlastomeresZygote Intrafallopian TransferIn Situ Hybridization, FluorescenceUrogenital AbnormalitiesAcrosome ReactionCell NucleusHorsesGenetic CounselingDNA FragmentationFertility AgentsGonadotropin-Releasing HormoneMinke WhaleSpecimen HandlingCulture TechniquesVaricoceleOocyte DonationMosaicism