Quick Answer: Which Parent Causes Klinefelter Syndrome?

What kind of medical assistance is needed for Klinefelter syndrome?

If you or your son is diagnosed with Klinefelter syndrome, your health care team may include a doctor who specializes in diagnosing and treating disorders involving the body’s glands and hormones (endocrinologist), a speech therapist, a pediatrician, a physical therapist, a genetic counselor, a reproductive medicine or ….

Does Klinefelter syndrome run in families?

Klinefelter syndrome isn’t passed down through families like some genetic diseases. Instead, it happens randomly from an error in cell division when a parent’s reproductive cells are being formed.

How is Klinefelter syndrome inherited?

Klinefelter syndrome is not inherited; the addition of an extra X chromosome occurs during the formation of reproductive cells (eggs or sperm) in one of an affected person’s parents.

Who is most likely to get Klinefelter’s 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.

What is XXY gender?

Klinefelter syndrome (sometimes called Klinefelter’s, KS or XXY) is where boys and men are born with an extra X chromosome. Chromosomes are packages of genes found in every cell in the body. There are 2 types of chromosome, called the sex chromosomes, that determine the genetic sex of a baby.

What age is Klinefelter syndrome diagnosed?

Klinefelter syndrome is often undiagnosed in young males. Diagnosis frequently occurs in adulthood; however about 75% of sex chromosome aneuploidies are never diagnosed. For suspected 47,XXY males, common indicators for karyotype analysis on peripheral blood are hypogonadism and infertility.

What are the chances of having a child with Klinefelter syndrome?

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.

What race is affected by Klinefelter syndrome?

About 1 in every 500 to 800 males is born with this disorder; approximately 3000 affected boys are born each year in the United Sates. About 3% of the infertile male population have Klinefelter syndrome. The condition appears to affect all racial and ethnic groups equally.

How do you know if you have Klinefelter’s syndrome?

To find out if your son has Klinefelter syndrome, your doctor will ask questions about his past health, do a physical exam, and order a chromosome test called a karyotype. In adult men, lab tests in addition to a karyotype may be done, such as hormone tests or a semen analysis, if Klinefelter syndrome is suspected.

Who has Klinefelter syndrome?

Klinefelter syndrome, also known as the XXY condition, is a term used to describe males who have an extra X chromosome in most of their cells. About one of every 500 males has an extra X chromosome, but many don’t have any symptoms.

Which parent does Klinefelter’s syndrome originate from?

However, almost 50% of cases of Klinefelter syndrome are thought to originate from an error in the X chromosome of the sperm from the father and are, therefore, not linked to the age of the mother. Older age of the father may also be linked to an increased risk of the syndrome.

Can you father a child with Klinefelter syndrome?

The vast majority of men with Klinefelter syndrome are infertile and can’t father a child the usual way. Options for becoming natural parents are limited, but fertility researchers are working on new treatments.

Is there a YY gender?

XYY syndrome is a genetic condition in which a male has an extra Y chromosome. There are usually few symptoms. These may include being taller than average, acne, and an increased risk of learning problems. The person is generally otherwise typical, including typical rates of fertility.

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 happens to the body when you have 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.