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Doctor insights on: How To Prevent Klinefelters Syndrome

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Is 46xxy klinefelter's syndrome?

Is 46xxy klinefelter's syndrome?

Yes: Presence of more than one x chromosome with one y chromosome is klinefelter syndrome. ...Read more

Dr. Ilene Fennoy
121 doctors shared insights

Klinefelter's Syndrome (Definition)

is a genetic disorder that affects males. Klinefelter syndrome occurs when a boy is born with one or more extra X chromosomes. Most males have one Y and one X chromosome. Having extra X chromosomes can cause a male to have some physical ...Read more


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How to know if I have klinefelters syndrome?

How to know if I have klinefelters syndrome?

See your PCP: Your pcp can order the specific genetic blood test that can confirm or exclude the issue. If you are not and are concerned about specific issues, your pcp will know what local sources are available to sort them out. ...Read more

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What are the symptoms of klinefelters syndrome?

What are the symptoms of klinefelters syndrome?

XXY male: The most common symptom is infertility. Because they often don't make as much of the male hormone testosterone as other boys, teenagers with klinefelter's syndrome may have less facial and body hair and may be less muscular than other boys. ...Read more

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What biological sex is determined in klinefelters syndrome?

What biological sex is determined in klinefelters syndrome?

Male.: Klinefelter's syndrome is a male xx/y individual. In otherwords, an y-chromosomal male with two female chromosomes. Other than having after puberty very high estrogen levels and lower than normal testosterone, they actually have the highest incidence of connective tissue diseases in the lupus family, but the percentage still is not high! ...Read more

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I have klinefelter's syndrome, can I be a dad?

Possibly: Requires help from a suitable fertility clinic. Men with klinfelter's and a normal serum testosterone (st) have a high rate of successful sperm extraction by testicular microdissection. Some men with lower st may respond to HCG stimulation to elevate st and have reasonable sperm retrieval. Then successful invitro fertilization or intracytoplasmic sperm injection techniques are required for success. ...Read more

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Is klinefelter's syndrome dominent or recessive?

Is klinefelter's syndrome dominent or recessive?

Error in formation: Humans have 23 pairs of chromosomes. During the formation of the egg, each pair splits and one of each travels to the egg. At conception, the sperm brings 22 + an X or Y & the new embryo now has 23 pairs (two of each). In Kleinfelter, the egg retains 2 X chromosomes instead of 1 & the sperm brings a Y.The fetus then has 23 pairs + the extra X. This is an error in formation, not an inherited trait ...Read more

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Docs, could a man with klinefelters syndrome still reproduce?

Docs, could a man with klinefelters syndrome still reproduce?

Sadly, no.: See http://www.klinefeltersyndrome.org for information on associated medical & developmental problems. KS is usually caused by an extra X Chromosome in each cell of the body (47,XXY), although variants exist. Extra copies of genes on the X Chromosome interfere with male sexual development, prevent the testes from functioning normally, reduce testosterone levels & cause infertility. ...Read more

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Are people with klinefelters syndrome still able to procreate?

Usually Infertile: True klinefelter's patients are usually infertile, but some have a reduced to severely reduced fertility. In those individuals, advanced reproductive assistance may help. Some "klinefelter" patients are diagnosed solely on appearance, when in fact, they are not true klinefelter's. Their fertility may not be affected. If there is any doubt, check it out. ...Read more

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What are the possibilities for a cure for klinefelter's syndrome?

What are the possibilities for a cure for klinefelter's syndrome?

Manageable: Once diagnosed, Klinefelter's is managed according to what the man wants. If the man wants to be a father, today's technologies are sometimes successful. Gynecomastia is easy to treat surgically. Some androgen supplementation is good for the bones, and if the man lacks but wants the full range of male experience and discomfort, full testosterone replacement will provide it. ...Read more

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Are all diagnostic tests for klinefelter's syndrome done locally? What are they?

Are all diagnostic tests for klinefelter's syndrome done locally? What are they?

Blood test: Most localities have access to chromosomal analysis. Usually, labs send these blood tests out to a reference lab to be analyzed. So the blood can be drawn just about anywhere. ...Read more

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Can you tell me if my child has klinefelter's syndrome should I have an amniocentesis?

Can you tell me if my child has klinefelter's syndrome should I have an amniocentesis?

Confusing question: Amniocentesis with chromosome analysis can determine specifically if the fetus does or does not have klinefelter or another chromosomal disorder. An ultrasound can sometimes have findings that suggest the issue, but it is not as specific. ...Read more

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What to do if I have klinefelter's syndrome. I'm kind of small though due to geneticscossey as transgender even though she too has klinefelter's syndrome?

What to do if I have klinefelter's syndrome. I'm kind of small though due to geneticscossey as transgender even though she too has klinefelter's syndrome?

More Information: There are several good web references. I'm not sure about your question. Take a look at http://www.klinefeltersyndrome.org ...Read more