OligospermiaInfertility, MaleAzoospermiaChromosomes, Human, YAsthenozoospermiaChromosome AberrationsSex Chromosome AberrationsSpermatozoaSperm CountSperm MotilitySex Chromosome Disorders of Sex DevelopmentSpermatogenesisKaryotypingSemenSemen AnalysisVaricoceleChromosome DisordersAneuploidyMesteroloneTestisIn Situ Hybridization, FluorescenceSeminal Plasma ProteinsChromosome DeletionKlinefelter SyndromeHydrocarbons, BrominatedY ChromosomeSequence Tagged SitesTrisomyAbnormal KaryotypeChromosomes, Human, Pair 13Sperm Injections, IntracytoplasmicFertilityChromosomes, Human, Pair 18Cytogenetic AnalysisPregnancyTranslocation, GeneticChromosomes, Human, XMosaicismTestosteroneChromosomes, Human, Pair 21XYY KaryotypeSertoli Cell-Only SyndromeProtaminesCytogeneticsChromosome BandingUltrasonography, PrenatalAbortion, SpontaneousDown SyndromePolymerase Chain ReactionKaryotypeAbnormalities, MultipleFetal DiseasesAmniocentesisPrenatal DiagnosisPregnancy Trimester, FirstSpermatic CordChromosomes, Human, Pair 8TriploidyReproductive Techniques, AssistedSpectral KaryotypingMonosomyEjaculationChromosomes, Human, Pair 14Sex ChromosomesChromosomes, Human, Pair 11Preimplantation DiagnosisAnemia, RefractoryGenital Diseases, MaleFertilization in VitroPachytene StageChromosomes, HumanPregnancy Trimester, SecondChromosomes, Human, Pair 1Chromosomes, Human, Pair 7VasectomyChromosomes, Human, Pair 12NeckPregnancy, High-RiskMyelodysplastic SyndromesCase-Control StudiesChromosomes, Human, 6-12 and XNuchal Translucency MeasurementAcrosome ReactionChromosomes, Human, Pair 17Genetic TestingSperm HeadGene DeletionGenetic LociChromosomes, Human, 4-5Pregnancy OutcomeUrologic Surgical Procedures, MaleSperm-Ovum InteractionsCongenital AbnormalitiesRetrospective StudiesChromosome StructuresAbortion, EugenicMaternal AgeMenTurner SyndromeDiploidy