Sperm CountInfertility, MaleOligospermiaAzoospermiaSperm MotilitySpermatogenesisInfertilitySpermatozoaTestisSemenInfertility, FemaleChromosomes, Human, YSemen AnalysisMesteroloneAsthenozoospermiaFertilitySperm HeadHydrocarbons, BrominatedVaricoceleTestosteroneEpididymisSperm CapacitationEjaculationSperm Injections, IntracytoplasmicSeminal Plasma ProteinsSperm-Ovum InteractionsPregnancyReproductive Techniques, AssistedSperm MaturationFertilizationSeminiferous TubulesInsemination, ArtificialFertilization in VitroAcrosomePregnancy RateFollicle Stimulating HormoneGenitalia, MaleInsemination, Artificial, HomologousY ChromosomeSertoli CellsSpermatidsSertoli Cell-Only SyndromeLepidiumSex Chromosome Disorders of Sex DevelopmentAndrologyProtaminesSex Chromosome AberrationsOrchitisContraceptive Agents, MaleGenital Diseases, MaleReproductionSemen PreservationVasovasostomyOrgan SizeAbnormal KaryotypeReproductive TechniquesSperm RetrievalLuteinizing HormoneSperm TransportCryptorchidismHypogonadismZona PellucidaVasectomyLeukocyte CountFallopian Tube DiseasesSperm TailSperm BanksTesticular NeoplasmsMeiosisChromosome DeletionTesticular DiseasesMEDLARSKlinefelter SyndromeSperm MidpieceCD4 Lymphocyte CountReproductive MedicineInhibinsCryopreservationPlatelet CountKartagener SyndromeSeminal VesiclesChromosome AberrationsSexual AbstinencePregnancy OutcomeFertility Agents, MaleInseminationSequence Tagged SitesEndometriosisCiliary Motility DisordersOocytesSpermatogoniaHysterosalpingographyEjaculatory DuctsAcrosome ReactionTime FactorsVas DeferensMice, KnockoutAxonemal DyneinsCase-Control StudiesEnvironmental Pollutants