388 top medical experts on Klinefelter Syndrome across 55 countries and 36 U.S. states, including 223 MDs (Physicians). This is based on an objective analysis of their Scientific Publications, Clinical Trials, Medicare, and NIH Grants.

  1. Klinefelter Syndrome: A form of male hypogonadism, characterized by the presence of an extra X chromosome, small testes, seminiferous tubule dysgenesis, elevated levels of gonadotropins, low serum testosterone, underdeveloped secondary sex characteristics, and male infertility (infertility, male). Patients tend to have long legs and a slim, tall stature. gynecomastia is present in many of the patients. The classic form has the karyotype 47,XXY. Several karyotype variants include 48,xxyy; 48,xxxy; 49,xxxxy, and mosaic patterns ( 46,XY/47,XXY; 47,XXY/48,xxxy, etc.).
  2. Clinical guidelines are the recommended starting point to understand initial steps and current protocols in any disease or procedure:
  3. Broader Categories (#Experts): Hypogonadism (2,153), Sex Chromosome Disorders of Sex Development (953).
  4. Clinical Trials ClinicalTrials.gov : at least 32 including 1 Active, 22 Completed, 4 Recruiting


  

        

                    


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