Klinefelter Syndrome, a chromosomal disorder defined by an additional X chromosome in males (47,XXY), affects about 1 in every 500 to 1,000 male births.
New meta-analysis shows comparable sperm retrieval rates in adolescent and adult men with nonmosaic Klinefelter syndrome, ...
Testosterone replacement therapy (TRT) reduces mortality risk by nearly 50% in men with Klinefelter syndrome (KS), bringing their survival rates closer to those of men from the general population. Men ...
A group of international researchers has uncovered evidence of a super rare genetic condition that gives men an extra X chromosome, reporting the oldest clinical case of Klinefelter Syndrome to date.
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