OligospermiaAzoospermiaInfertility, MaleChromosomes, Human, YXYY KaryotypeSex Chromosome AberrationsSex Chromosome Disorders of Sex DevelopmentSperm CountAsthenozoospermiaSpermatogenesisSeminal Plasma ProteinsSpermatozoaY ChromosomeSertoli Cell-Only SyndromeSemen AnalysisKlinefelter SyndromeContraceptive Agents, MaleChromosome DeletionSemenSperm RetrievalSperm MotilityChromosomes, Human, XSequence Tagged SitesSperm Injections, IntracytoplasmicTestisUkraineChromosome AberrationsGenetic LociGametogenesisFertilityKaryotypingFollicle Stimulating HormoneGene DeletionAneuploidyTestosteroneRNA-Binding ProteinsCytogenetic AnalysisPolymerase Chain ReactionLuteinizing HormoneFertilization in VitroGene FrequencySequence Analysis, DNACase-Control StudiesPregnancy