OligospermiaInfertility, MaleAzoospermiaInfertilitySperm CountChromosomes, Human, YSpermatozoaSperm MotilitySemen AnalysisAsthenozoospermiaSemenMesteroloneSpermatogenesisReproductive Techniques, AssistedInfertility, FemaleSex Chromosome AberrationsSperm Injections, IntracytoplasmicTestisHydrocarbons, BrominatedReproductive TechniquesFertilization in VitroFertilitySocial MarginalizationPregnancySex Chromosome Disorders of Sex DevelopmentHysterosalpingographyPregnancy RateSequence Tagged SitesSeminal Plasma ProteinsInsemination, Artificial, HomologousFamily CharacteristicsEmbryo TransferVaricoceleOocyte DonationKlinefelter SyndromeSexual Dysfunctions, PsychologicalChromosome AberrationsPregnancy OutcomeY ChromosomeReproductive MedicineInsemination, ArtificialChromosome DeletionTestosteroneAneuploidyPregnancy, MultipleAttitudeKaryotypingIn Situ Hybridization, FluorescenceCryopreservationCouples TherapyOvulation InductionOocytesQuestionnairesPolymerase Chain ReactionProspective StudiesCohort StudiesPrevalenceTime FactorsSpouses