First finger length study in Klinefelter syndrome: short fingers + high 2D:4D digit ratio!

Hi Martijn!

Thank you for the post.

I found the following information at Wikipedia about ‘Klinefelter Syndrome’ which tally with the post and I have found so in my experiences so too. The link is:-

http://en.wikipedia.org/wiki/Klinefelter's_syndrome

I have found the following Physical and Cognitive and developmental or neuropsychological deficits in executing the functions, in those clients who suffer from ‘Klinefelter Syndrome ‘astonishingly same’, as expressed in the report’. You can read there. They say-



Physically:-

As babies and children, XXY males may have weaker muscles and reduced strength. As they grow older, they tend to become taller than average. They may have less muscle control and coordination than other boys their age. During puberty, the physical traits of the syndrome become more evident; because these boys do not produce as much testosterone as other boys, they have a less muscular body, less facial and body hair, and broader hips. As teens, XXY males may have larger breasts, weaker bones, and a lower energy level than other boys. Affected males are often infertile, or may have reduced fertility. Advanced reproductive assistance is sometimes possible. XXY males are also more likely than other men to have certain health problems, which typically affect females, such as autoimmune disorders, breast cancer,vein diseases and osteoporosis.

Cognitive and developmental:-

Some degree of language learning or reading impairment may be present and neuropsychological testing often reveals deficits in executive functions, although these deficits can often be successfully ameliorated through early intervention. There may also be delays in motor development which can be addressed through occupational therapy. XXY males may sit up, crawl, and walk later than other infants; they may also struggle in school, both academically and with sports.

I want to tell friends here, though, I don’t believe every research report easily, but this one is believable without doubt because I have found so. Thank you Martijn I appreciate your efforts regarding posting this very informative post.

Parender Sethi


P.S.
By the way, for readers who don't know what Klinefelter's syndrome is, I mention that 'Klinefelter's syndrome', 47, XXY, or XXY syndrome is a condition in which a human has an extra X chromosome. While females have an ‘XX’ chromosomal makeup, and males an ‘XY’, affected individuals have at least two X chromosomes and at least one Y chromosomes and because of the extra chromosome, individuals with the condition are usually referred to as "XXY Males", or "47, XXY Males, according to Wikipedia.

Parender Sethi