Sperm CountSperm MotilitySpermatozoaSemenSperm-Ovum InteractionsFertilityAcrosomeInfertility, MaleAcrosome ReactionSperm HeadSemen AnalysisOligospermiaSpermatogenesisTestisSperm CapacitationEpididymisEjaculationAzoospermiaAsthenozoospermiaLepidiumTestosteroneSperm MaturationInsemination, Artificial, HomologousSperm Injections, IntracytoplasmicFertilizationContraceptive Agents, MaleGenitalia, MaleSemen PreservationSperm TransportOrgan SizeLeukocyte CountSeminiferous TubulesInsemination, ArtificialFollicle Stimulating HormoneVaricoceleVasectomyReproductionMEDLARSPregnancySeminal Plasma ProteinsSperm MidpieceCD4 Lymphocyte CountPlatelet CountInfertilityLuteinizing HormoneSexual AbstinenceSperm BanksPregnancy RateInhibinsSeminal VesiclesChromosomes, Human, YPaternal ExposureGenital Diseases, MaleZona PellucidaEnvironmental PollutantsSexual MaturationTime FactorsHydrocarbons, BrominatedCell CountHypogonadismLitter SizeBlood Cell CountDenmarkSertoli CellsSeminiferous EpitheliumSexual Behavior, AnimalCryopreservationTesticular NeoplasmsSex Hormone-Binding GlobulinSperm WhaleCryptorchidismBody WeightSpermatidsMeiosisOvum