Plotton, I., Brosse A., & Lejeune, H. (2010). XXYGuy Post 2 Clarification: Klinefelter's syndrome is not a disease at all, it is the symptoms of the disease Seminiferous Tubule Dysgenesis, which affects only the testes as seminiferous tubules are only found in the testes. I am one of them. Testosterone replacement …

French. In 1942, Klinefelter et al published a report describing nine men with a constellation of features: testicular dysgenesis, microorchidism, eunuchoidism, gynecomastia, elevated urinary gonadotropins, and azoospermia. Annales d'endocrinologie (Paris), 71(6), 494-504. Klinefelter syndrome may adversely affect testicular growth, resulting in smaller than normal testicles, which can lead to lower production of testosterone. [] The etiology was thought to be due to an endocrine disorder of unknown cause, until 1959, when Jacobs et al recognized that Klinefelter syndrome was a … Nov 28, 2015 - Explore behaviordoctor's board "Klinefelter Syndrome", followed by 940 people on Pinterest.
Klinefelter Syndrome (KS): Clinical Trials. The NICHD conducts and supports a variety of clinical research related to KS. Select a link below to learn more about these projects. Klinefelter syndrome is a genetic condition that results when a boy is born with an extra copy of the X chromosome. Klinefelter syndrome is named after Dr. Henry Klinefelter, who first described a group of symptoms found in some men with the extra X chromosome. Is it useful to modify the care of Klinefelter's syndrome to improve the chances of paternity? Early recognition and hormonal treatment of the disorder can substantially improve quality of life and prevent serious consequences. Jun 4, 2019 - Klinefelter syndrome is a genetic disorder that affects males.

Some of the symptoms include less facial hair than is normal, broader hips that are typical of women, larger breast than other males, weaker bones and lower energy levels as compared to other males. Klinefelter syndrome, also known as the XXY condition, is a term used to describe males who have an extra X chromosome in most of their cells.

See more ideas about Turner syndrome, X chromosome and Will turner. See more ideas about X chromosome, Disorders and Genetics. The syndrome may … Most males have one Y and one X chromosome.

Study of Psychological and Motor Effects of Testosterone in Adolescents With XXY/Klinefelter Syndrome (TestoXXY/KS) The purpose of this study is to determine if testosterone … Klinefelter syndrome: Expanding the phenotype and identifying new research directions. Even … Instead of having the usual XY chromosome pattern that most males have, these men have an XXY pattern.
Having extra X chromosomes can cause a male to have some physical traits unusual for males. Klinefelter's syndrome is the most common genetic cause of human male infertility, but many cases remain undiagnosed because of substantial variation in clinical presentation and insufficient professional awareness of the syndrome itself.