Klinefelter SyndromeSyndromeSperm RetrievalChromosomes, Human, XAzoospermiaSex Chromosome DisordersGynecomastiaGonadal Dysgenesis, 46,XXChromosomes, Human, YSex Chromosome AberrationsKaryotypingAneuploidyPrimed In Situ LabelingInfertility, MaleMosaicismOligospermiaAchondroplasiaFertility PreservationXYY KaryotypeTestisIn Situ Hybridization, FluorescenceDown SyndromeY ChromosomeMetabolic Syndrome XBreast Neoplasms, MaleFathersTestosteroneSperm Injections, IntracytoplasmicRNA, Long NoncodingSpermatozoaLearning DisordersEncyclopedias as TopicHair