OligospermiaAzoospermiaEpididymisInfertility, MaleSperm CountMesteroloneChromosomes, Human, YTestisSpermatogenesisSperm MotilityHydrocarbons, BrominatedSpermatozoaSperm RetrievalTestosteroneSperm MaturationSeminal Plasma ProteinsTesticular DiseasesVasectomySperm Injections, IntracytoplasmicVas DeferensVasovasostomySemenEjaculatory DuctsSex Chromosome Disorders of Sex DevelopmentSex Chromosome AberrationsContraceptive Agents, MaleKlinefelter SyndromeY ChromosomeSpermatidsMicrosurgeryEpididymitis