AzoospermiaOligospermiaInfertility, MaleDNA MethylationSperm CountSpermatozoaChromosomes, Human, YAsthenozoospermiaMethylationSperm MotilitySpermatogenesisSemen AnalysisTestisSex Chromosome AberrationsSemenCpG IslandsMesteroloneSperm Injections, IntracytoplasmicSeminal Plasma ProteinsEpigenesis, GeneticSex Chromosome Disorders of Sex DevelopmentSperm RetrievalVaricoceleDNA (Cytosine-5-)-MethyltransferaseKlinefelter SyndromeSequence Tagged SitesHydrocarbons, BrominatedDNA FragmentationY ChromosomeFertilitySperm HeadSulfitesAzacitidine5-MethylcytosineChromosome DeletionDNASperm CapacitationPromoter Regions, GeneticTestosteroneGene SilencingPregnancySemen PreservationCytosineAneuploidyEpigenomicsDNA Modification MethylasesEjaculationTesticular DiseasesEpididymisGenomic ImprintingMicrosurgeryComet AssayPolymerase Chain ReactionChromatinFertilizationHistonesSperm MaturationCryopreservationVasovasostomyIn Situ Hybridization, FluorescenceLong Interspersed Nucleotide ElementsKaryotypingDNA DamageGenetic LociReproductive Techniques, AssistedChromosome AberrationsVasectomyProtaminesBase SequenceDNA-Cytosine MethylasesReproductive TechniquesFertilization in VitroContraceptive Agents, MaleIn Situ Nick-End LabelingPregnancy RateMethyltransferasesMolecular Sequence DataSpermatidsSequence Analysis, DNASuctionHistone-Lysine N-MethyltransferaseVas DeferensChromomycin A3Sperm TransportTissue and Organ HarvestingDinucleoside PhosphatesXYY KaryotypePhascolarctidaeRNA, Long NoncodingSperm-Ovum InteractionsMicroinjectionsS-AdenosylmethioninePregnancy OutcomeFollicle Stimulating HormoneDNA, NeoplasmGene Expression Regulation, NeoplasticOocytesGreenlandAcrosomeGenome, Human