OligospermiaInfertility, MaleAzoospermiaInfertilitySperm CountSemen AnalysisChromosomes, Human, YSpermatozoaSperm MotilitySemenAsthenozoospermiaMesteroloneSpermatogenesisReproductive Techniques, AssistedSperm Injections, IntracytoplasmicInfertility, FemaleSex Chromosome AberrationsTestisHydrocarbons, BrominatedFertilityReproductive TechniquesFertilization in VitroPregnancySocial MarginalizationSperm HeadSex Chromosome Disorders of Sex DevelopmentSeminal Plasma ProteinsPregnancy RateHysterosalpingographySequence Tagged SitesSperm CapacitationInsemination, Artificial, HomologousFamily CharacteristicsOocyte DonationEmbryo TransferKlinefelter SyndromeVaricoceleInsemination, ArtificialPregnancy OutcomeChromosome AberrationsY ChromosomeSexual Dysfunctions, PsychologicalReproductive MedicineAneuploidyTestosteroneChromosome DeletionPregnancy, MultipleCryopreservationAttitudeSperm MaturationKaryotypingIn Situ Hybridization, FluorescenceOocytesSperm TransportSperm-Ovum InteractionsOvulation InductionCouples TherapyFertilizationAcrosomeSperm MidpieceSperm BanksQuestionnairesSemen PreservationEpididymisPolymerase Chain ReactionZona PellucidaProspective StudiesTime FactorsEjaculationCohort StudiesPrevalenceSperm WhaleSpouses