Infertility, MaleOligospermiaInfertility, FemaleInfertilityAzoospermiaFallopian Tube DiseasesSperm CountSperm MotilitySpermatozoaSpermatogenesisVaricoceleChromosomes, Human, YReproductive Techniques, AssistedTestisSperm Injections, IntracytoplasmicFertilization in VitroMesterolonePregnancySemenPregnancy RateAsthenozoospermiaInsemination, ArtificialSemen AnalysisHydrocarbons, BrominatedPelvic Inflammatory DiseaseEmbryo TransferChlamydia trachomatisFallopian TubesPregnancy OutcomeFertilityChlamydia InfectionsOvulation InductionInsemination, Artificial, HomologousPregnancy, EctopicTestosteroneMycoplasma genitaliumSeminal Plasma ProteinsMenotropinsMicroinjectionsEmbryo ImplantationY ChromosomeSex Chromosome Disorders of Sex DevelopmentReproductive TechniquesAndrologySertoli Cell-Only SyndromeOrchitisSex Chromosome AberrationsChaperonin 60Abnormal KaryotypeEpididymisEndometriosisSpermatidsCase-Control StudiesHysterosalpingographySperm RetrievalVasovasostomySertoli CellsReproductive MedicineProtaminesSperm TailClomipheneSeminiferous TubulesTesticular DiseasesChromosome DeletionFertilizationAnovulationKlinefelter SyndromeAntibodies, BacterialEjaculationSperm-Ovum InteractionsSperm MaturationCryptorchidismAcrosomeFollicle Stimulating HormoneKartagener SyndromeGenital Diseases, MaleFertility Agents, FemaleSpermatogoniaHypogonadismSequence Tagged SitesAcrosome ReactionSperm HeadCiliary Motility DisordersEjaculatory DuctsSpermatocytesSensitivity and SpecificityFertility Agents, MaleEpididymitisMeiosisZona PellucidaAxonemal DyneinsInseminationVas DeferensOocytesUrologic Surgical Procedures, MaleGene DeletionMicrosurgeryGerm CellsTesticular NeoplasmsTreatment Outcome