Why is a person with klinefelters

Contact your local school district to find out about special programs for kids with disabilities. Many boys with Klinefelter syndrome have more trouble interacting socially than their peers. An occupational or behavioral therapist can help them learn social skills. You and your doctor will need to watch out for conditions that are more common in men with Klinefelter syndrome, including:. 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. Mosaic Down syndrome is a rare, less severe form of Down syndrome. We explain the condition, its cause, symptoms, and how to diagnose it.

Down syndrome is the most common genetic condition in the United States. Curly hair is determined by factors you inherit from your biological parents. Here's how it works. Health Conditions Discover Plan Connect. What are the symptoms? How common is it? What causes the condition? How is it diagnosed? What treatments are available? If one of these defective cells contributes to a successful pregnancy, the baby will have the XXY condition in some or all his cells.

When a boy is born with the XXY condition in only some cells, it's called mosaic Klinefelter syndrome. Often, boys and men with this condition have milder signs and symptoms than others with the XXY condition.

Not all boys with Klinefelter syndrome will have noticeable symptoms. Other boys can have symptoms that are physically apparent or problems with speech, learning, and development. Babies with Klinefelter syndrome typically have weak muscles, reduced strength, and quiet personalities. They also can take longer to do things like sit up, crawl, walk, and speak.

Compared with other kids their age, boys with Klinefelter syndrome might have some or all of these symptoms:. Klinefelter syndrome typically causes a boy's testicles to grow at a slower rate than those of other boys. It also prevents the testicles from producing normal amounts of sperm and the hormone testosterone. Testosterone affects the way a boy develops both physically and sexually. Low hormone levels and problems with sperm production make it difficult or sometimes impossible for a boy with Klinefelter syndrome to father a child later in life.

Many boys with Klinefelter syndrome show symptoms related to their development of social and language skills. They may have trouble paying attention. A lot of boys learn to talk late or have trouble using words to express their emotions. They also can have trouble with things like learning to spell, read, and write. Socially, they tend to have quiet personalities.

They rarely cause trouble and are often more helpful and thoughtful than other boys. Long-term treatment during adulthood may also help with several other problems associated with Klinefelter syndrome — including osteoporosis, low mood, reduced sex drive, low self-esteem and low energy levels — although it cannot reverse infertility.

If you or your son has been diagnosed with Klinefelter syndrome, you might find it useful to find out more about it and get in touch with others affected by it.

Page last reviewed: 20 May Next review due: 20 May Klinefelter syndrome. Klinefelter syndrome affects around 1 in every males. Symptoms of Klinefelter syndrome Klinefelter syndrome does not usually cause any obvious symptoms early in childhood, and even the later symptoms may be difficult to spot.

Many boys and men do not realise they have it. Possible features, which are not always present, may include: in babies and toddlers — learning to sit up, crawl, walk and talk later than usual, being quieter and more passive than usual in childhood — shyness and low self-confidence, problems with reading, writing, spelling and paying attention, mild dyslexia or dyspraxia , low energy levels, and difficulty socialising or expressing feelings in teenagers — growing taller than expected for the family with long arms and legs , broad hips, poor muscle tone and slower than usual muscle growth, reduced facial and body hair that starts growing later than usual, a small penis and testicles, and enlarged breasts gynaecomastia in adulthood — inability to have children naturally infertility and a low sex drive , in addition to the physical characteristics mentioned above Health issues in Klinefelter syndrome Most boys and men with Klinefelter syndrome will not be significantly affected and can live normal, healthy lives.

Infertility tends to be the main problem, although there are treatments that can help. But men with Klinefelter syndrome are at a slightly increased risk of developing other health problems, including: type 2 diabetes weak and fragile bones osteoporosis cardiovascular disease and blood clots autoimmune disorders where the immune system mistakenly attacks the body , such as lupus an underactive thyroid gland hypothyroidism anxiety , learning difficulties and depression — although intelligence is usually unaffected male breast cancer — although this is very rare These problems can usually be treated if they do occur and testosterone replacement therapy may help reduce the risk of some of them.

Treatment may include: [1] [3] [4] Testosterone replacement: About half of people with SK have low testosterone levels, which may be raised by taking supplemental testosterone.

Having a more normal testosterone level can help affected people develop bigger muscles, a deeper voice, and facial and body hair, and may also increase sexual desire, enlarge the testes , improve mood, self-image, and behavior; it may also protect against osteoporosis and decrease the risks of autoimmune disease and breast cancer. Breast removal or reduction surgery. Educational interventions: As children, many people with Klinefelter syndrome qualify for special services to help them in school.

Teachers can also help by using certain methods in the classroom, such as breaking bigger tasks into small steps. Several forms of therapy such as physical, speech, occupational, behavioral, mental health, and family therapy can often help reduce or eliminate some of the symptoms of Klinefelter syndrome such as poor muscle tone; speech and language problems; or low self-confidence.

Prognosis Prognosis. Babies with the 47, XXY form of Klinefelter differ little from healthy children. The results of one study on non- mosaic XXY infants younger than 2 years indicated that most XXY babies had normal external genitalia and facial features with height and weight in the normal range. Early diagnosis of Klinefelter syndrome is shown to be important to monitor potential developmental problems.

However, most move toward full independence from their families as they enter adulthood. Some have completed graduate education and have a normal level of functioning. Lifespan is not affected by Klinefelter syndrome. Statistics Statistics. It is estimated that 1 in every to 1, newborn males has an extra X chromosome, making Klinefelter syndrome one of the most common chromosomal disorders seen among newborns.

In addition, the features of this condition vary and can overlap significantly with those of other conditions. Do you have updated information on this disease?

We want to hear from you. Research Research. Clinical Research Resources ClinicalTrials. Click on the link to go to ClinicalTrials. Please note: Studies listed on the ClinicalTrials. We strongly recommend that you talk with a trusted healthcare provider before choosing to participate in any clinical study. Although these projects may not conduct studies on humans, you may want to contact the investigators to learn more.

To search for studies, enter the disease name in the "Text Search" box. Then click "Submit Query". Organizations Organizations. Organizations Supporting this Disease.

InterConnect E-mail: info interconnect. Living with XXY W. Point Loma Blvd.