Sperm CountSemenSperm MotilityInfertility, MaleSperm HeadSemen AnalysisOligospermiaSpermatogenesisSpermatozoaTestisFertilitySperm CapacitationEpididymisEjaculationAzoospermiaAsthenozoospermiaLepidiumSperm-Ovum InteractionsTestosteroneSperm MaturationCD4 Lymphocyte CountInsemination, Artificial, HomologousSperm Injections, IntracytoplasmicFertilizationContraceptive Agents, MaleGenitalia, MaleSemen PreservationPregnancySperm TransportOrgan SizeLeukocyte CountSeminiferous TubulesInsemination, ArtificialFollicle Stimulating HormoneVaricoceleVasectomyAcrosomeReproductionMEDLARSSeminal Plasma ProteinsSperm MidpiecePlatelet CountInfertilityTime FactorsLuteinizing HormoneSexual AbstinenceSperm BanksViral LoadPregnancy RateInhibinsColony Count, MicrobialSeminal VesiclesHIV InfectionsChromosomes, Human, YPaternal ExposureGenital Diseases, MaleZona PellucidaEnvironmental PollutantsSexual MaturationRNA, ViralHydrocarbons, BrominatedReference ValuesCell CountHIV-1HypogonadismLitter SizeBlood Cell CountDenmarkSertoli CellsSeminiferous EpitheliumSexual Behavior, AnimalSensitivity and SpecificityCryopreservationTesticular NeoplasmsSex Hormone-Binding GlobulinSperm WhaleAnti-HIV AgentsDose-Response Relationship, DrugProspective StudiesMicrobial Sensitivity TestsCryptorchidismCulture MediaBacteriological TechniquesBody WeightDrug Therapy, CombinationProstateSpermatidsMeiosisOvumRegression Analysis