Sperm CountSperm WhaleSpermatozoaSexual Behavior, AnimalFertilitySemenSperm MotilityFertilizationInfertility, MaleSperm HeadReproductionSemen AnalysisOligospermiaSpermatogenesisTestisSperm CapacitationEpididymisEjaculationAzoospermiaAsthenozoospermiaLepidiumSperm-Ovum InteractionsTestosteroneSperm MaturationInsemination, Artificial, HomologousSperm Injections, IntracytoplasmicContraceptive Agents, MaleGenitalia, MaleSemen PreservationSperm TransportOrgan SizeLeukocyte CountSeminiferous TubulesInsemination, ArtificialFollicle Stimulating HormoneVaricoceleVasectomyAcrosomeMEDLARSPregnancySeminal 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 EpitheliumCryopreservationTesticular NeoplasmsSex Hormone-Binding GlobulinCryptorchidismBody WeightSpermatidsMeiosisOvum