Sperm CountSperm MotilitySemenInfertility, MaleSperm HeadOligospermiaSemen AnalysisSpermatogenesisSpermatozoaTestisFertilitySperm CapacitationEpididymisInformation Storage and RetrievalAzoospermiaEjaculationAsthenozoospermiaLepidiumSperm Injections, IntracytoplasmicTestosteroneSperm-Ovum InteractionsMental RecallFertilizationSperm MaturationInsemination, Artificial, HomologousSemen PreservationContraceptive Agents, MaleGenitalia, MaleMEDLARSFollicle Stimulating HormoneSperm TransportOrgan SizePregnancyInsemination, ArtificialOocyte RetrievalLeukocyte CountSeminiferous TubulesVaricoceleSperm RetrievalVasectomyPregnancy RateAcrosomeReproductionSeminal Plasma ProteinsInfertilitySperm MidpieceCD4 Lymphocyte CountMemoryPlatelet CountLuteinizing HormoneInhibinsSexual AbstinenceSperm BanksTime FactorsSeminal VesiclesMEDLINEChromosomes, Human, YFertilization in VitroPaternal ExposureGenital Diseases, MaleCryopreservationZona PellucidaEnvironmental PollutantsSexual MaturationCell CountHydrocarbons, BrominatedAbstracting and Indexing as TopicHypogonadismMemory, EpisodicLitter SizeBlood Cell CountDenmarkSertoli CellsSeminiferous EpitheliumSexual Behavior, AnimalSemanticsTesticular NeoplasmsSex Hormone-Binding GlobulinSperm WhaleTissue and Organ HarvestingDevice RemovalRecognition (Psychology)Subject HeadingsOocytesCryptorchidismSpermatidsBody WeightRetention (Psychology)OvumAssociation LearningChorionic GonadotropinMeiosisBrain Mapping