Sperm CountSemenSperm MotilityInfertility, MaleSperm HeadSemen AnalysisOligospermiaSpermatogenesisSpermatozoaTestisFertilitySperm CapacitationEpididymisEjaculationAzoospermiaAsthenozoospermiaLepidiumSperm-Ovum InteractionsTestosteroneInsemination, Artificial, HomologousSperm Injections, IntracytoplasmicSperm MaturationFertilizationContraceptive Agents, MaleGenitalia, MaleSemen PreservationSperm TransportOrgan SizeLeukocyte CountSeminiferous TubulesInsemination, ArtificialFollicle Stimulating HormoneVaricocelePregnancyVasectomyReproductionAcrosomeMEDLARSSeminal Plasma ProteinsSperm MidpieceCD4 Lymphocyte CountInfertilityPlatelet CountLuteinizing HormoneSexual AbstinenceSperm BanksPregnancy RateInhibinsSeminal VesiclesChromosomes, Human, YPaternal ExposureTime FactorsGenital Diseases, MaleEnvironmental PollutantsZona PellucidaSexual MaturationHydrocarbons, BrominatedCell CountDenmarkHypogonadismLitter SizeBlood Cell CountSertoli CellsSexual Behavior, AnimalSeminiferous EpitheliumCryopreservationTesticular NeoplasmsSex Hormone-Binding GlobulinSperm WhaleCryptorchidismBody WeightOvumMeiosisSpermatidsMaternal Exposure