Klinefelter SyndromeSperm RetrievalAzoospermiaSex Chromosome DisordersGynecomastiaChromosomes, Human, XPubertySex Chromosome AberrationsChromosomes, Human, YGonadal Dysgenesis, 46,XXKaryotypingPrimed In Situ LabelingAneuploidyPuberty, PrecociousXYY KaryotypePuberty, DelayedSyndromeInfertility, MaleMosaicismOligospermiaBreast Neoplasms, MaleTestisFathersTestosteroneSexual MaturationIn Situ Hybridization, Fluorescence