AzoospermiaOligospermiaInfertility, MaleInfertilityInfertility, FemaleSperm RetrievalChromosomes, Human, YSpermatogenesisTestisSpermatozoaSperm CountSeminal Plasma ProteinsSperm Injections, IntracytoplasmicTesticular DiseasesSemenSex Chromosome Disorders of Sex DevelopmentSex Chromosome AberrationsReproductive TechniquesSperm MotilityY ChromosomeKlinefelter SyndromeSemen AnalysisVasovasostomyVaricoceleReproductive Techniques, AssistedMicrosurgeryFertilization in VitroVasectomyPregnancy RatePregnancySpermatidsFertilityContraceptive Agents, MaleEpididymisSequence Tagged SitesEmbryo TransferFollicle Stimulating HormoneEjaculationVas DeferensCryopreservationSuctionAsthenozoospermiaXYY KaryotypeChromosome DeletionFallopian Tube DiseasesTissue and Organ HarvestingEjaculatory DuctsGenetic LociSemen PreservationSertoli CellsMicroinjectionsTestosteronePregnancy OutcomeBiopsyAbnormal KaryotypeSperm MaturationCryptorchidismFertilizationEndometriosisEpitestosteroneSeminiferous TubulesHysterosalpingographyEpididymitisInhibinsTuberculosis, Male GenitalInsemination, ArtificialGenital Diseases, MaleHypogonadismGene DeletionKaryotypingEmbryo ImplantationRNA-Binding ProteinsClomipheneGonadal Dysgenesis, MixedLuteinizing HormoneAnovulationChromosome AberrationsMeiosisOvulation InductionDesogestrelAdrenal Rest TumorTesticular NeoplasmsReproductive MedicineSpermatocytesCase-Control StudiesOocytesSpermatogoniaFertility Agents, FemaleSpecimen HandlingMicromanipulationKaryotypeOstomyCytogenetic AnalysisMyoclonic Epilepsies, ProgressiveRetrospective StudiesGlycerylphosphorylcholinePolymerase Chain Reaction