Q98: Other sex chromosome abnormalities, male phenotype, not elsewhere classified
Q98.1: Klinefelter syndrome, male with more than two X chromosomes
When beginning its development, every single cell in the body contains a complete blueprint of the body. This blueprint consists of genetic information. The genetic information is encrypted in the chromosomes. Every human cell normally contains 23 chromosome pairs, i.e. a total of 46 chromosomes.
The X chromosome and the Y chromosome determine a person’s biological gender. Men normally have one X chromosome and one Y chromosome. Women normally have 2 X chromosomes.
You have more than 2 X chromosomes with male sexual characteristics.
Klinefelter syndrome causes the body to form an insufficient quantity of the hormone testosterone. Testosterone is a typical male hormone.
You have various characteristics and symptoms due to a lack of testosterone. These characteristics and symptoms usually only occur in puberty or afterwards. Puberty is when children grow into young adults. This is when they develop the typical sexual characteristics.
This disorder can cause puberty to start later than normal. You may also be especially tall. The penis or testicles may also stay smaller than normal. The breasts can also be female-appearing. You may also find it hard to have children despite unprotected sex.
The lack of the hormone testosterone can also make bones less strong. This can increase the risk of bone fractures in adulthood.
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For a complete understanding of your condition and what the diagnosis means for you, please speak directly with your doctor.