OligospermiaAzoospermiaFructoseInfertility, MaleSperm CountMesteroloneChromosomes, Human, YSpermatogenesisTestisHydrocarbons, BrominatedSperm MotilitySpermatozoaSperm RetrievalTestosteroneSeminal Plasma ProteinsTesticular DiseasesSperm Injections, IntracytoplasmicFructosediphosphatesHexosediphosphatesSex Chromosome Disorders of Sex DevelopmentSex Chromosome AberrationsKlinefelter SyndromeFructosephosphatesY ChromosomeVasovasostomyFructose IntoleranceMicrosurgerySemenVasectomy