Quick Answer: What Causes Klinefelter?

How does Klinefelter syndrome affect a person’s life?

For example, guys with Klinefelter syndrome may be more likely to get some types of cancer and other diseases, like type 2 diabetes and osteoporosis, a condition where the bones become weaker later in life.

As men, most guys with Klinefelter syndrome can have sex, usually with the help of testosterone treatment..

Can you get disability for Klinefelter syndrome?

Social Security Benefits If you or your dependent(s) are diagnosed with Klinefelter Syndrome and experience any of these symptoms, you may be eligible for disability benefits from the U.S. Social Security Administration.

Why 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).

Can a girl 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 a person 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 age is Klinefelter syndrome diagnosed?

Chromosome analysis. The syndrome might be identified in pregnancy during a procedure to examine fetal cells drawn from the amniotic fluid (amniocentesis) or placenta for another reason — such as being older than age 35 or having a family history of genetic conditions.

Are Klinefelter male or female?

The X chromosome is not a “female” chromosome and is present in everyone. The presence of a Y chromosome denotes male sex. Boys and men with Klinefelter syndrome are still genetically male, and often will not realise they have this extra chromosome, but occasionally it can cause problems that may require treatment.

Who is most likely to get Klinefelter syndrome?

Klinefelter syndrome occurs in about 1 out of 500 to 1,000 baby boys. Women who get pregnant after age 35 are slightly more likely to have a boy with this syndrome than younger women.

How common is Klinefelter?

It is estimated that 1 in every 500 to 1,000 newborn males has an extra X chromosome, making Klinefelter syndrome one of the most common chromosomal disorders seen among newborns. Variants of Klinefelter syndrome (such as 48,XXXY, 49,XXXXY) are much rarer, occurring in 1 in 50,000 to 1 in 85,000 or fewer newborns.

Is Klinefelter syndrome a learning disability?

Intellectual disability occurs in males with Klinefelter syndrome variants, who have a higher number of X chromosomes. About 70% of patients have minor developmental and learning disabilities.