Infertility, MaleDNA DamageSpermatozoaSemen AnalysisSperm CountComet AssayDNA FragmentationInfertilitySperm MotilitySperm Injections, IntracytoplasmicVaricoceleInfertility, FemaleSemenAsthenozoospermiaAzoospermiaProtaminesOligospermiaIn Situ Nick-End LabelingSpermatogenesisFertilization in VitroTestisSperm HeadPregnancyChromosomes, Human, YFertilityReproductive Techniques, AssistedChromatinDNASperm CapacitationPregnancy RatePregnancy OutcomeAbortion, SpontaneousOxidative StressEpididymisFertilizationSperm MaturationSeminal Plasma ProteinsEjaculationEnvironmental PollutantsDNA RepairSperm-Ovum InteractionsAcrosomeY ChromosomeSemen PreservationSertoli Cell-Only SyndromeSex Chromosome Disorders of Sex DevelopmentAndrologyOrchitisSex Chromosome AberrationsCryopreservationVasovasostomyAbnormal KaryotypeReproductive TechniquesSpermatidsSperm RetrievalSertoli CellsAtaxia Telangiectasia Mutated ProteinsChromomycin A3Sperm TransportZona PellucidaPhascolarctidaeMutationCell Cycle ProteinsFallopian Tube DiseasesInsemination, ArtificialSeminiferous TubulesMicrosurgerySperm TailOocytesUltraviolet RaysSperm BanksApoptosisMeiosisAneuploidyGreenlandChromosome DeletionTesticular DiseasesAcridine OrangeKlinefelter SyndromeReactive Oxygen SpeciesSperm MidpieceDeoxyguanosineBase SequenceReproductive MedicineCheckpoint Kinase 2DNA-Binding ProteinsTesticular NeoplasmsNuclear ProteinsMolecular Sequence DataTumor Suppressor Protein p53Kartagener SyndromeGenital Diseases, MaleGene DeletionAntioxidantsCryptorchidismProtein-Serine-Threonine KinasesChromosome AberrationsFertility Agents, MaleSpermatic CordDNA Breaks, Double-Stranded