What does an XXY person look like?
This can lead to a taller, less muscular body, less facial and body hair, and broader hips than other boys. As teens, XXY males may have larger breasts, weaker bones, and a lower energy level than other boys. By adulthood, XXY males look similar to males without the condition, although they are often taller.
What causes XXY chromosome?
Males have an X and a Y sex chromosome (XY). Klinefelter syndrome can be caused by: One extra copy of the X chromosome in each cell (XXY), the most common cause. An extra X chromosome in some of the cells (mosaic Klinefelter syndrome), with fewer symptoms.
What happens if you have an XXY chromosome?
Males with XXY syndrome are born with cells that have an extra X chromosome, or XXY. This can cause delayed development and puberty, a smaller penis and testicles, infertility, and other symptoms. The condition that causes XXY syndrome is present at birth and can’t be changed.
Can a girl have Klinefelter’s syndrome?
Klinefelter syndrome affects males only; females cannot have it. Klinefelter syndrome results from a genetic abnormality in which males have an extra copy of the X chromosome. Instead of the usual XY chromosomes, males with Klinefelter syndrome have an XXY pattern.
How do you diagnose Klinefelter syndrome?
Blood or urine samples can reveal abnormal hormone levels that are a sign of Klinefelter syndrome. Chromosome analysis. Also called karyotype analysis, this test is used to confirm a diagnosis of Klinefelter syndrome. A blood sample is sent to the lab to check the shape and number of chromosomes.
Is Klinefelter syndrome an autoimmune disease?
There are reports suggesting that people with Klinefelter’s syndrome (KS) may be at increased risk of some autoimmune diseases, but the evidence is not substantial.
What type of people get Klinefelter syndrome?
Klinefelter syndrome affects about 1 in 650 newborn boys. It is among the most common sex chromosome disorders, which are conditions caused by changes in the number of sex chromosomes (the X chromosome and the Y chromosome).
What is the most common treatment for Klinefelter’s?
Treatment of Klinefelter Syndrome One common treatment is testosterone replacement therapy. It can start at puberty and can spur typical body changes, such as facial hair and a deeper voice. It can also help with penis size and stronger muscles and bones, but it won’t affect testicle size or fertility.
What is the main cause of Klinefelter?
Klinefelter syndrome is caused by an additional X chromosome. This chromosome carries extra copies of genes, which interfere with the development of the testicles and mean they produce less testosterone (male sex hormone) than usual.
What are the effects of Klinefelter syndrome?
Klinefelter syndrome may adversely affect testicular growth, resulting in smaller than normal testicles, which can lead to lower production of testosterone. The syndrome may also cause reduced muscle mass, reduced body and facial hair, and enlarged breast tissue. The effects of Klinefelter syndrome vary,…
Who are some famous people with Klinefelter syndrome?
Two of the most famous people that suffered from klinefelter syndrome were George Washington artist Lili Elbe.
What causes Klinefelter syndrome (KS)?
Definition. Klinefelter or XXY syndrome is a genetic disease that causes babies to be born with an extra X chromosome.
Is Klinefelter syndrome Transgender?
Klinefelter syndrome is a chromosomal condition that strictly affects males. Gender dysphoria is an uncommon disorder in individuals with Klinefelter syndrome. Complex transgender cases should be approached by multidisciplinary teams to provide person-centered plan of care.