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How does Klinefelter syndrome occur?
Klinefelter syndrome occurs as a result of a random error that causes a male to be born with an extra sex chromosome. It isn’t an inherited condition. Humans have 46 chromosomes, including two sex chromosomes that determine a person’s sex. Females have two X sex chromosomes (XX).
How does a child get Klinefelter syndrome?
The disorder is a random error in cell division that happens when a parent’s reproductive cells are being formed. If one of these defective cells contributes to a successful pregnancy, the baby will have the XXY condition in some or all his cells.
How does XXY condition arise in humans?
XXY syndrome, also called Klinefelter syndrome, is a fairly common genetic condition. It happens when a boy is born with an extra sex chromosome in most or all of his cells.
Can a female have Klinefelter’s syndrome?
Klinefelter syndrome (47,XXY) results from an additional X chromosome on an XY background; therefore, this condition affects only males.
What is the life expectancy of someone with Klinefelter syndrome?
According to research, Klinefelter syndrome can shorten your life expectancy up to two years. However, you can still live a long, full life with this condition. The earlier you get treatment, the better your outlook will be.
What are the chances of getting Klinefelter syndrome?
Klinefelter syndrome affects 1 in 500 to 1,000 males. Variants of this condition are much rarer, occurring in 1 in 50,000 or fewer male births.
How to know if I have Klinefelter syndrome?
To diagnose Klinefelter syndrome, your doctor will start with a physical exam and questions about your symptoms and general health. They’ll probably examine your chest, penis, and testicles and do a few simple tests, such as checking your reflexes.
What are the side 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,…