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Sperm Injections, IntracytoplasmicSperm HeadSperm CountSperm CapacitationInfertility, MaleFertilizationFertilization in VitroSperm MaturationSperm-Ovum InteractionsOligospermiaPregnancy RateAcrosomeSperm TransportPregnancyCryopreservationSemen PreservationEmbryo TransferSemenEpididymisSpermatozoaSperm MidpieceTestisOocytesSemen AnalysisPregnancy OutcomeZona PellucidaSperm BanksReproductive Techniques, AssistedMicroinjectionsSperm RetrievalEmbryo ImplantationFertilityInfertilityReproductive TechniquesEjaculationOvulation InductionInsemination, ArtificialSperm WhaleOocyte RetrievalProtaminesAsthenozoospermiaInfertility, FemaleTissue and Organ HarvestingCongenital AbnormalitiesPregnancy, MultipleAbortion, SpontaneousOvumCleavage Stage, OvumZygoteSperm MotilitySeminal Plasma ProteinsBlastocystAneuploidyEmbryonic DevelopmentMicromanipulationEmbryo, MammalianTwinsY ChromosomeSex Chromosome AberrationsInsemination, Artificial, HomologousDNA FragmentationSea UrchinsSuctionCryoprotective AgentsLive BirthTripletsChromosomes, Human, YChromomycin A3Embryonic and Fetal DevelopmentEmbryo Culture TechniquesInseminationEgg ProteinsVasectomyFallopian TubesVasovasostomyFollicle Stimulating HormoneAzoospermiaPovidoneCytoplasmPreimplantation DiagnosisSexual Behavior, AnimalInsemination, Artificial, HeterologousMetaphaseSeminal Vesicle Secretory ProteinsReproductionMaternal AgeIn Situ Hybridization, FluorescenceKaryotypingChromatinCumulus CellsPregnancy, TwinWhalesMeiosisQuadrupletsBirth RateTesticular DiseasesRetreatmentVitelline MembraneGenitalia, MaleOocyte Donation