Normal klinefelter syndrome. Medical search. Frequent questions

An estimated 50% of males with Klinefelter syndrome can produce sperm. (wikipedia.org)
A form of primary testicular failure occurs in males with Klinefelter Syndrome, with elevated gonadotropin levels due to lack of feedback inhibition by the pituitary gland. (medscape.com)
The number of males with Klinefelter syndrome is not known 2 . (healthymale.org.au)
Hence, most adult males with Klinefelter syndrome display a clear hypergonadotropism with a varying degree of androgen deficiency. (medscape.com)
Men and males with Klinefelter syndrome are nevertheless genetically male, and frequently will perhaps not realise they usually have this chromosome that is extra but sporadically it may cause issues that may need treatment. (alvamater.com)

Contact your provider if your child has any signs or symptoms of Klinefelter syndrome. (medlineplus.gov)
Some Klinefelter males experience symptoms of their condition as boys or teenagers, and they therefore benefit from diagnosis and treatment at an earlier stage. (wdxcyber.com)
Klinefelter syndrome is named after Dr. Henry Klinefelter, who first described a group of symptoms found in some men with the extra X chromosome. (doctors.am)
Even though all men with Klinefelter syndrome have the extra X chromosome, not every XXY male has all of those symptoms. (doctors.am)
Because not every male with an XXY pattern has all the symptoms of Klinefelter syndrome, it is common to use the term XXY male to describe these men, or XXY condition to describe the symptoms. (doctors.am)
Although some Klinefelter males will exhibit symptoms of the condition from boyhood, many don't realize that they have the condition until they try as adults to become fathers. (sharedjourney.com)
Treatments are available for some symptoms of Klinefelter syndrome - for example, testosterone therapy can help men who have some feminine features. (sharedjourney.com)
That said, some experts suspect that many people with Klinefelter syndrome are never diagnosed-because their symptoms are very mild-so the true prevalence may be much higher (Kanakis, 2018). (ro.co)
Many people with Klinefelter syndrome are not diagnosed until after puberty because the symptoms usually do not appear before then. (ro.co)
Still, many people with the syndrome may not know they have it because their symptoms are mild or unnoticeable (Kanakis, 2018). (ro.co)
Along with these developmental and reproductive symptoms, Klinefelter syndrome can lead to changes in how a person's brain forms and develops. (ro.co)
Symptoms of Klinefelter syndrome can be so mild in some individuals that they, their parents, and their doctors may not even realise they have the condition. (healthymale.org.au)
This is because even for those with mild symptoms, most men with Klinefelter syndrome produce very few or no sperm and are infertile . (healthymale.org.au)
The symptoms of Klinefelter syndrome stem from a lower-than-normal production of testosterone , and the effects the extra X chromosome(s) have on the body's development and function. (healthymale.org.au)
Effects of the syndrome will vary from one individual to another and not all the males portray the same symptoms and signs. (premiumessays.net)
It is named after Dr. Henry Klinefelter who first discovered the syndrome in 1942 and was able to link the symptoms back to men with an extra X chromosome. (clinicforhim.com)
Klinefelter problem doesn't often cause any symptoms that are obvious in childhood, and also the subsequent signs can be tough to spot. (alvamater.com)
Visit your GP in yourself or your son if you have concerns about your son's development or you notice any troubling symptoms of Klinefelter syndrome. (alvamater.com)
Symptoms of Klinefelter syndrome are smaller testes, less production of testosterone. (difference.wiki)
Measurement of SHBG can be an important indicator of an excessive/chronic androgenic action where androgen levels are normal, but where clinical symptoms would seem to indicate androgen in excess. (cdc.gov)
As reported by Medscape Medical News , analysis of 3000 men in eight European countries indicated that men with normal total testosterone but low free testosterone levels had more signs and symptoms of hypogonadism than those with low total-testosterone levels only. (medscape.com)

[ 1 ] The etiology was thought to be due to an endocrine disorder of unknown cause, until 1959, when Jacobs et al recognized that Klinefelter syndrome was a chromosomal disorder in which there is an extra X chromosome, resulting in the karyotype 47,XXY. (medscape.com)
Today, the term Klinefelter syndrome (KS) refers to a group of chromosomal disorders in which the normal male karyotype, 46,XY, has at least one extra X chromosome. (medscape.com)
If Klinefelter syndrome is not diagnosed prenatally, a patient with 47,XXY karyotype may demonstrate various subtle, age-related clinical signs that would prompt diagnostic testing. (medscape.com)
The addition of more than one extra X or Y chromosome to a normal male karyotype results in variable cognitive and physical abnormalities. (medscape.com)
Klinefelter syndrome is diagnosed by examining someone's karyotype, which is done using a small sample of blood or other tissue. (healthymale.org.au)
We present a case of a 37-year-old female with a transvaginal sonographic finding of a CB associated with a 47, XXY karyotype (Klinefelter syndrome) previously detected by non-invasive prenatal testing (NIPT) and confirmed by amniocentesis and definitive genetic examination at autopsy. (gynaecology-obstetrics-journal.com)
If Klinefelter syndrome is not diagnosed prenatally, the 47,XXY karyotype may manifest as various subtle age-related clinical signs that may prompt chromosomal evaluation. (medscape.com)
The severity of the condition varies, depending on one's Down syndrome karyotype, which is the organized profile of an individual's chromosomes. (newhealthadvisor.org)
The Down syndrome karyotype shows a total of 47 chromosomes instead of 46 (normally made up of 23 pairs of chromosomes). (newhealthadvisor.org)
The following image shows the Down syndrome karyotype of a patient with part of their chromosome 21 being translocated to another chromosome. (newhealthadvisor.org)
Besides Down syndrome karyotype, there are other genetic conditions that result from abnormal karyotypes. (newhealthadvisor.org)
Klinefelter syndrome (47, XXY) is a condition that occurs in men who have an extra X chromosome, resulting in an XXY sex chromosome karyotype. (healthguidenet.com)

These disorders may be genetic, such as Klinefelter's syndrome, or acquired due to trauma , infection, reduced blood flow, or aging . (medicinenet.com)
Klinefelter's syndrome is best described as a genetic condition that affects the male child only. (premiumessays.net)
Klinefelter's syndrome can also cause reduced muscle mass, facial hair, enlarged breast tissues and reduced body. (premiumessays.net)
As earlier mentioned, Klinefelter's syndrome is not noticed until puberty which can come late if the male child has the syndrome. (premiumessays.net)
The genetic variation of Klinefelter's syndrome cannot be reversed. (premiumessays.net)
Men with Klinefelter's syndrome usually start testosterone replacement therapy (TRT) in early adolescence and take it life long. (excelmale.com)
Klinefelter's syndrome is a common sex chromosomal defect in humans that continues to be a major genetic cause of infertility in men. (scitechnol.com)
In our gynaecological clinic, we reported the first occurrence of Klinefelter's syndrome in an adolescent. (scitechnol.com)
Foresta C, Galeazzi C, Bettella A, Marin P, Rossato M, Garolla A, Ferlin A. Analysis of meiosis in intratesticular germ cells from subjects affected by classic Klinefelter's syndrome. (springer.com)
Palermo GD, Schlegel PN, Sills ES, Veeck LL, Zaninovic N, Menendez S, Rosenwaks Z. Births after intracytoplasmic injection of sperm obtained by testicular extraction from men with nonmosaic Klinefelter's syndrome. (springer.com)
What are the diagnostic points in klinefelter's syndrome? (medicosnotes.com)
Klinefelter Syndrome often referred to as XXY trisomy, XXY syndrome, and Klinefelter's Syndrome is a chromosomal disorder exclusively associated with males having one or more of the X chromosome than the normal 'XY' pattern. (hxbenefit.com)
Testosterone is determined in men when reduced testosterone production is suspected, e.g., in hypogonadism, estrogen therapy, chromosome aberrations (as in the Klinefelter's syndrome) and liver cirrhosis. (cdc.gov)

Until 1996, men with Klinefelter syndrome were considered infertile. (medscape.com)
In almost all cases, these men have can have a normal sex life, but the defect in their testicles makes them infertile. (sharedjourney.com)
Males with the syndrome are often infertile, but sometimes the testes develop enough to produce sperm. (msdmanuals.com)
Klinefelter syndrome - a condition that causes men to have more than one X chromosome, which produces longer legs, higher voice, thinner beard, smaller testicles and being infertile. (holyname.org)
They can have a normal sex life, but remain infertile. (newhealthadvisor.org)
Patients with that syndrome are usually infertile, however in about half the cases, it is possible to fi nd spermatozoa in the testes, and have a higher risk of i.e. breast cancer, metabolic syndrome, cardiovascular disease, osteopenia/osteoporosis, autoimmune diseases. (postepyandrologii.pl)

It is named after American endocrinologist Harry Klinefelter, who identified the condition in the 1940s. (wikipedia.org)
Klinefelter syndrome was first identified by DR. Harry Klinefelter in 1940. (difference.wiki)

The main effect of Klinefelter syndrome is abnormal growth and development of the testicles (testes). (ro.co)

Klinefelter syndrome may first be diagnosed when a man comes to their health care provider because of infertility. (medlineplus.gov)
If you have Klinefelter syndrome and wish to have children, it's a good idea to work with an infertility specialist. (medlineplus.gov)
Even if the problem is male-factor infertility, the chances of a man having Klinefelter syndrome are relatively low. (wdxcyber.com)
An almost certain consequence of having the syndrome is permanent infertility. (sharedjourney.com)
Unfortunately, the infertility aspect of Klinefelter's is rarely treatable, although some Klinefelter males have become Dads thanks to an assisted reproduction technique called ICSI . (sharedjourney.com)
See our section on Klinefelter treatment, under Male Infertility: Drugs and Treatment, for more information. (sharedjourney.com)
Testicular biopsy is indicated in azoospermic men with a normal-sized testis and normal findings on hormonal studies to evaluate for ductal obstruction, to further evaluate idiopathic infertility, and to retrieve sperm. (medscape.com)
Sometimes the syndrome causes infertility . (epnet.com)
In Klinefelter syndrome (KS) the topic of fertility vs. infertility is of major concern since that, until recent years, infertility was considered an untreatable condition in KS. (springer.com)
Infertility in patients with Klinefelter syndrome: optimal timing for sperm and testicular tissue cryopreservation. (springer.com)
Klinefelter syndrome is the most common (0,1-0,2% male newborns), genetic form of infertility and hypergonadotropic hypogonadism in men. (postepyandrologii.pl)
Treatment of this syndrome is also hormone therapy and infertility treatment in some cases. (difference.wiki)

The syndrome is defined by the presence of at least one extra X chromosome in addition to a Y chromosome yielding a total of 47 or more chromosomes rather than the usual 46. (wikipedia.org)
Turner syndrome is when one of a female's two X chromosomes is abnormal or missing. (kidshealth.org)
Klinefelter syndrome is a genetic condition that affects males by causing them to be born with one or more extra X chromosomes. (ro.co)
But males born with Klinefelter syndrome have an extra copy of the X chromosome, or sometimes multiple extra X chromosomes. (ro.co)
Klinefelter syndrome refers to a collection of characteristics in males that are caused by having two or more X chromosomes. (healthymale.org.au)
Androgen receptor gene quantitative real-time PCR (AR-qPCR) technique: A simple and reliable screening method for diagnosis of patients with Klinefelter syndrome or other chromosomal disorders involving an aberrant number of X-chromosomes. (medscape.com)
In Turner syndrome, girls are born with one of the two X chromosomes partly or completely missing. (epnet.com)
The main difference between Turner Syndrome and Klinefelter Syndrome is that Turner Syndrome is the change in the genetic chromosomes in females while a Klinefelter Syndrome is a change in ancestral chromosomes in men. (difference.wiki)

Most boys with Klinefelter syndrome have normal or slightly decreased intelligence. (msdmanuals.com)
Boys with Klinefelter syndrome might start puberty but then it stops. (healthymale.org.au)
Testosterone treatment might be prescribed for boys with Klinefelter syndrome who have a very small penis. (healthymale.org.au)
Monitoring the growth and hormone function of boys with Klinefelter syndrome in the lead-up to puberty helps guide decisions about testosterone treatment, which may become necessary. (healthymale.org.au)

Many men with this syndrome cannot produce enough sperm to have children. (medlineplus.gov)
There are men with Klinefelter syndrome all over the world who have become fathers through adoption, or assisted reproduction procedures using sperm from an anonymous donor. (wdxcyber.com)
XXY males can have normal sex lives, but they usually make little or no sperm. (doctors.am)
At least 60% of the sperm should have a normal shape and show normal forward movement (motility). (ucsfhealth.org)
Often it is not diagnosed until adulthood and it is considered to be a type of hypogonadism that affects testicle growth, lower levels of testosterone are produced, which is why the majority of men who have Klinefelter syndrome produce little or no sperm. (institutobernabeu.com)
The presence of both normal and abnormal cells (mosaic) is due to abnormal cell division after the egg is fertilized by the sperm. (newhealthadvisor.org)
Often, the syndrome is not diagnosed till adulthood and most men with the syndrome will report to produce little to no sperm. (premiumessays.net)
Plotton I, Giscard d'Estaing S, Cuzin B, Brosse A, Benchaib M, Lornage J, Ecochard R, Dijoud F, Lejeune H. Preliminary results of a prospective study of testicular sperm extraction in young versus adult patients with nonmosaic 47,XXY Klinefelter syndrome. (springer.com)
In Turner syndrome, uterus, vagina, and vulva are present, but they can not begin the period and do not produce child while in case of Klinefelter syndrome males have less developed and small testes, penis, vasa deferens so no functional sperm are produced. (difference.wiki)

In 85% of cases, people with Klinefelter syndrome are born with one additional X chromosome. (ro.co)
Because of this, people with Klinefelter syndrome may be more likely to struggle in school and in the workplace. (ro.co)

A man who receives a positive diagnosis of Klinefelter syndrome will have to accept that it's very unlikely he'll ever biologically father a child. (wdxcyber.com)
Early diagnosis of Klinefelter syndrome is recommended to implement early therapy and prevention of co -morbidities. (postepyandrologii.pl)

In response to administration of human chorionic gonadotropin (hCG), the increase in testosterone levels in patients with Klinefelter syndrome is diminished compared with the general population. (medscape.com)

During puberty, the physical traits of the syndrome become more evident - because these boys do not produce as much testosterone as other boys, they have a less muscular body, less facial and body hair, and broader hips. (wikipedia.org)
Klinefelter syndrome is characterized by hypogonadism (micro-orchidism [small testes], oligospermia/azoospermia), gynecomastia in late puberty, hyalinization and fibrosis of the seminiferous tubules, elevated urinary gonadotropin levels, and behavioral concerns. (medscape.com)
Sometimes, though, kids pass this normal age range for puberty without showing any signs of body changes. (kidshealth.org)
Women who have Turner syndrome are shorter than normal, may not go through puberty in the usual way, and may have other medical problems. (kidshealth.org)
Sometimes, puberty starts at a normal time, and then stalls or stops after a few years. (kidshealth.org)
Puberty usually starts at a normal time, but then stalls. (kidshealth.org)
Puberty usually occurs at the normal time, but the testes remain small. (msdmanuals.com)
They develop breasts, have ovaries and go through puberty normal and can carry their own child in pregnancy. (majordifferences.com)
During childhood and early puberty: Relatively normal pituitary-gonadal function is observed in 47,XXY individuals. (medscape.com)
In patients with mosaicism, progressive degeneration and hyalinization of seminiferous tubules take place after puberty despite the presence of normal-sized testes and spermatogenesis at puberty. (medscape.com)
Puberty happens at the normal time, but the testes stay small. (epnet.com)
The syndrome is not suspected until puberty. (epnet.com)
Wikstrom AM, Raivio T, Hadziselimovic F, Wikstrom S, Tuuri T, Dunkel L. Klinefelter syndrome in adolescence: onset of puberty is associated with accelerated germ cell depletion. (springer.com)
Note - since KS can be hard to notice, many parents don't know their child has the syndrome until he shows delays in puberty. (healthguidenet.com)
In childhood and early puberty activity of the hypothalamo-pituitary-testicular axis is usually normal. (postepyandrologii.pl)

Hypogonadism is understood to be when the gonads (testicles in men and ovaries in women) produce low amounts of hormones or none at all or when the hypothalamus is incapable of producing normal levels of the GnRH (gonadotropin-releasing hormone). (institutobernabeu.com)
This occurs when there is a problem in the gonads (ovaries or testicles ) and they cannot secrete normal levels of hormones. (institutobernabeu.com)
The effects of chemotherapy and radiotherapy might affect the normal levels of hormones produced by the testicles and the ovaries, which results in a decline in fertility. (institutobernabeu.com)
The syndrome affects testicular growth adversely resulting to testicles that are smaller than normal. (premiumessays.net)

Adult Klinefelter men may have smaller-than-average testes . (sharedjourney.com)
The inflammation can lead to shrinking testes, inhibiting normal testosterone production. (datamax.org)
This syndrome mainly affects the testes of an individual. (difference.wiki)

Klinefelter syndrome, also called 47,XXY, is a genetic condition that occurs in males when they have an extra X chromosome. (medlineplus.gov)
Klinefelter syndrome occurs as a random event. (medlineplus.gov)
Klinefelter syndrome occurs in about 1 out of 500 to 1,000 male infants. (medlineplus.gov)
Klinefelter syndrome occurs randomly. (wikipedia.org)
Klinefelter syndrome occurs when a boy has one extra X chromosome. (msdmanuals.com)
Klinefelter syndrome is the most common sex chromosome disorder and occurs in about 1 in every 500 live male births. (msdmanuals.com)
Down syndrome occurs when cell division involving chromosome 21occurs abnormally, causing an extra chromosome to be produced. (newhealthadvisor.org)
Klinefelter Syndrome (KS) is a condition that only occurs in men as a result of an extra X chromosome. (clinicforhim.com)
Klinefelter Syndrome is a genetic change that occurs when a boy is born with an extra copy of the X chromosome. (difference.wiki)

An abnormal human female phenotype, called Turner syndrome , was described by H. H. Turner and associates 1938. (majordifferences.com)
About 1% of cases are due to a structurally abnormal X in addition to a normal X and Y, such as 47,X,i(Xq)Y and 47,X,del(X)Y. (medscape.com)
High estrogen levels - estrogen stimulates cell growth, both normal and abnormal. (holyname.org)
Each year, about 6,000 babies are born in the United States with Down syndrome, a disorder caused by abnormal cell division that results in an extra chromosome, specifically chromosome 21. (newhealthadvisor.org)
It also determines the sex of an individual and can help diagnose abnormal conditions such as the Down syndrome. (newhealthadvisor.org)

Edwards syndrome is also known as trisomy 18, because the baby has an extra chromosome 18 in all or some of their body cells. (newhealthadvisor.org)
Down syndrome , now known as trisomy 21, is when a child has an extra chromosome. (epnet.com)
Individuals with Turner syndrome are monosomy 45X (2n-1) as one X chromosome is deleted while an individual with Klinefelter syndrome is trisomy 47X (2n+1) as one X chromosome is extra. (difference.wiki)

Klinefelter syndrome is one of the most common chromosomal disorders, occurring in one to two per 1,000 live male births. (wikipedia.org)

Medical treatments - Testosterone replacement therapy (TRT) can greatly help XXY males get their testosterone levels into normal range. (doctors.am)
In addition to its impact on development and fertility, Klinefelter syndrome is associated with many health problems, mainly due to reduced testosterone levels. (healthymale.org.au)
After midpuberty: Follicle-stimulating hormone (FSH) and luteinizing hormone (LH) levels increase to hypergonadotropic levels, inhibin B decreases to undetectable levels, and testosterone levels return to low or low-normal levels after an initial increase. (medscape.com)
Harmonized reference normal ranges for testosterone levels in healthy, nonobese men have been generated in a landmark study that should aid in accurately diagnosing hypogonadism , say US investigators. (medscape.com)

In 1942, Klinefelter et al published a report describing nine men with a constellation of features: testicular dysgenesis, microorchidism, eunuchoidism, gynecomastia, elevated urinary gonadotropins, and azoospermia. (medscape.com)

This chromosomal condition was first observed and documented by Harry Fitch Klinefelter Jr, an American endocrinologist, and rheumatologist in the 40s, and hence its name. (hxbenefit.com)

Adolescent male with Klinefelter syndrome who has female-type distribution of pubic hair and testicular dysgenesis. (medscape.com)
Aksglaede I, Juul A. Testicular function and fertility in men with Klinefelter syndrome: a review. (springer.com)
Testicular Dysgenesis Syndrome and Carcinoma In Situ Testis. (booksca.ca)

Klinefelter problem isn't straight inherited - the extra X chromosome does occur as a result of either the caretaker's egg or the father's semen getting the additional X chromosome (the same possibility of this taking place in either), so after conception the chromosome pattern is XXY in place of XY. (alvamater.com)

The syndrome can also affect the way a male's body develops ( Kanakis, 2018 ). (ro.co)
Some research has found that people with the syndrome may also be more prone to anxiety and depression ( Skakkebæk, 2018 ). (ro.co)

In very few patients, only some cells contain extra chromosome 21, while others appear normal (mosaic form). (newhealthadvisor.org)
The excess information that is genetic either be carried in almost every cellular within the body or it could just influence some cells (known as mosaic Klinefelter syndrome). (alvamater.com)

Throughout their development, the syndrome prevents their bodies from producing enough of the male sex hormone testosterone. (sharedjourney.com)
Similarly, cirrhosis of the liver alters normal hormone metabolism and may lead to gynecomastia. (medicinenet.com)
They may run diagnostic blood tests to gauge your hormone levels and take your medical history to determine if your growth pattern is normal and healthy. (columbia.edu)
Your GP may suspect Klinefelter problem following an examination that is physical may recommend delivering off an example of blood to test reproductive hormone levels. (alvamater.com)
Except for a low level of Follicle Stimulating Hormone (FSH), the hormonal profile was normal. (scitechnol.com)
Klinefelter syndrome is responsible for the less production of testosterone, the hormone which is essential for the primary characteristics of the males. (difference.wiki)
Treatment of Turner syndrome is hormone therapy in which growth hormones injections are given to affected girls. (difference.wiki)
Background: The relationship between normal thyroid-stimulating hormone (TSH) levels and thyroid disease in adults remains controversial. (bvsalud.org)
This data will allow for population estimates of the selected steriod hormones and related binding protein that can be used to assist in disease diagnosis, treatment, and prevention of disease such as, Polycystic Ovary Syndrome (PCOS), androgen deficiency, cancer, and hormone imbalances in children. (cdc.gov)

Klinefelter syndrome (KS), also known as 47,XXY, is an aneuploid genetic condition where a male has an additional copy of the X chromosome. (wikipedia.org)
People with the condition have a nearly normal life expectancy. (wikipedia.org)
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. (doctors.am)
Klinefelter males are born with the condition. (sharedjourney.com)
The chances of you actually having Klinefelter syndrome are very small (somewhere between 1 in 500 and 1 in 1000 men have the condition). (sharedjourney.com)
The Klinefelter syndrome is a genetic condition that affects men when they have an additional copy of the X chromosome. (institutobernabeu.com)
The effects of Klinefelter syndrome vary between males with the condition 1 . (healthymale.org.au)
For some men with Klinefelter syndrome, the condition goes undiagnosed until they try to start a family. (healthymale.org.au)
Even though Klinefelter syndrome is a genetic condition, it's not inherited. (healthymale.org.au)
Klinefelter syndrome is a rare genetic condition in which a male has an extra X chromosome. (cdc.gov)
There is no remedy for Klinefelter problem, however some regarding the issues linked to the condition can usually be treated if required. (alvamater.com)
Klinefelter syndrome is not a genetic or hereditary condition but transpires due to a randomized error in chromosomal patterning. (hxbenefit.com)
Kallman syndrome is a condition characterized by the stunting or loss of nerve cells in the hypothalamus. (datamax.org)
Turner Syndrome is the condition of a chromosome that changes the development of females.females with one missing X chromosome is termed as Turner syndrome. (difference.wiki)

Normally developing pubertal males may be at risk for gynecomastia which is part of the normal developmental process. (medicinenet.com)
Its incidence affects 11.3% of the population 6 and, although it is an isolated anomaly, it can be related to syndromes and other developmental anomalies such as imperfect amelogenesis, ectodermic dysplasia, Down syndrome, Klinefelter syndrome, thricodentalosseous syndrome, Mohr syndrome, Wolf-Hirschhorn syndrome and Lowe syndrome 6 . (bvsalud.org)

Genetic disorders, including Klinefelter syndrome (in males) and Turner syndrome (in females), can also affect development. (columbia.edu)
Turner syndrome is the genetic abnormality of females while Klinefelter syndrome is a genetic abnormality of men. (difference.wiki)
In Turner syndrome, females have undeveloped breast while in Klinefelter syndrome males have enlarged breast. (difference.wiki)
Females with this syndrome remain shorter than usual in height. (difference.wiki)

The Turner syndrome is due to monosomy X (45, X). This monosomic has a chromosome complement of 44 autosomes and one X chromosome (44+XO). (majordifferences.com)

Other than a thin build and disproportionately long arms and legs, the phenotype is normal. (medscape.com)
Th e phenotype is variable, ranging from almost normal to signifi cantly diff erent. (postepyandrologii.pl)
Newborns with Klinefelter syndrome usually present normal male phenotype. (postepyandrologii.pl)

If you have Klinefelter syndrome and want to start a family, it might be possible for a fertility specialist to help you by using assisted reproductive technology (ART). (healthymale.org.au)
Klinefelter syndrome: an argument for early aggressive hormonal and fertility management. (springer.com)

Klinefelter syndrome may be diagnosed prenatally from fetal cytogenetic analyses performed on chorionic villi or amniocytes. (medscape.com)
Klinefelter syndrome may be diagnosed prenatally based on cytogenetic analysis of a fetus. (medscape.com)

The only known risk factor for extragonadal germ cell tumors is Klinefelter syndrome (47XXY), which is associated with mediastinal nonseminomatous germ cell tumors, which are characterized by their location on the midline from the pineal gland to the coccyx. (medscape.com)

An estimated 60% of pregnancies with fetuses having Klinefelter syndrome abort. (wikipedia.org)
Also, only 1-2% of Turner Syndrome fetuses are born alive. (majordifferences.com)

Individuals with this syndromes are phenotypically males but with tendency towards femaleness. (majordifferences.com)
Fortunately, there are numerous treatment plans that can help individuals with KS lead an almost normal life as well as live as long as those who are unaffected by the syndrome. (hxbenefit.com)

Many newborns with Turner syndrome have swelling on the backs of their hands and tops of their feet. (epnet.com)

Adolescent male with gynecomastia and Klinefelter syndrome. (medscape.com)
Management and treatment should focus on 3 major facets of the syndrome: hypogonadism, gynecomastia, and psychosocial problems. (medscape.com)
Normal male infants also may have gynecomastia. (medicinenet.com)
Studies regarding the prevalence of gynecomastia in normal adolescents have yielded widely varying results, with prevalence estimates as low as 4% and as high as 69% of adolescent boys. (medicinenet.com)

Normal males are born with an XY chromosome pattern - women are born with XX. (wdxcyber.com)
By contrast, men with Klinefelter syndrome have a chromosome pattern that looks something like this: XXY. (wdxcyber.com)

This is incorrect regarding turner Syndrome. (majordifferences.com)
What characteristics a turner Syndrome girl has depends on how many of her cells were affected. (majordifferences.com)
Girls with Turner syndrome do not have menstrual cycles. (epnet.com)
A girl or woman with Turner syndrome is almost always short. (epnet.com)
But they have many features that are like Turner syndrome . (epnet.com)
On average for every 2500 girls born around the world, one of them have Turner syndrome. (difference.wiki)
Turner syndrome was discovered by Dr. Henry turner in 1938. (difference.wiki)
Turner syndrome only affects girls. (difference.wiki)
Turner syndrome is not inherited, parental or environmental but this syndrome is due to sudden changes in the genetic material or changes in chromosome number. (difference.wiki)
The Girls with Turner syndrome have second X chromosome missing (45X), and because of this, the body develops differently. (difference.wiki)
Turner syndrome is diagnosed after birth. (difference.wiki)
What is Turner syndrome? (difference.wiki)
Girl with Turner syndrome also has other physical changes as webbed neck, puffiness of hands and feet, heart defects and kidney problems. (difference.wiki)
Two main clinical features of the individual like short stature and lack of development of ovaries are the points of diagnosis of Turner syndrome. (difference.wiki)

Klinefelter syndrome results when a male child is born with at least 1 extra X chromosome. (medlineplus.gov)
Klinefelter males are born with at least one extra X chromosome in each of their cells. (wdxcyber.com)
In a nutshell, men with Klinefelter syndrome have an extra X chromosome. (sharedjourney.com)
The extra chromosome disrupts their normal course of development, causing severe intellectual and physical abnormalities. (newhealthadvisor.org)
Klinefelter syndrome is a problem in which male babies are born with an extra X chromosome (XXY). (epnet.com)
XYY syndrome is a problem in which a male baby is born with an extra Y chromosome. (epnet.com)
Klinefelter Syndrome is the result of an extra X chromosome (XYX). (clinicforhim.com)
However in Klinefelter problem, a child comes into the world with a copy that is extra of X chromosome (XXY). (alvamater.com)
This syndrome is diagnosed by the presence of one extra X chromosome. (difference.wiki)

Infants and children with Klinefelter syndrome should be examined by their doctor at least every two years to monitor their physical development. (healthymale.org.au)

Klinefelter syndrome is a common ancestral state that affects males. (difference.wiki)

Klinefelter problem just isn't necessarily such a thing severe, but therapy often helps reduce a few of the signs if required. (alvamater.com)

Because men with Klinefelter syndrome tend to have low testosterone, they may have some physical characteristics that make them stand out from other men. (wdxcyber.com)

Could chorionic bump represent an early ultrasound marker of Klinefelter syndrome? (gynaecology-obstetrics-journal.com)

One in every 500 male births is the victim of this syndrome. (majordifferences.com)

This syndrome can be found before birth during an ultrasound. (epnet.com)

Triple X syndrome is the most common chromosomal abnormality in women. (epnet.com)

The effects of Klinefelter syndrome observed in children continue into adulthood. (healthymale.org.au)

Many men, however, find out that they have Klinefelter syndrome only after they try, and fail, to get their partners pregnant. (wdxcyber.com)

Anatomy5

Diseases15

Chemicals and Drugs1

Analytical, Diagnostic and Therapeutic Techniques and Equipment4

Psychiatry and Psychology1

Phenomena and Processes10

Anthropology, Education, Sociology and Social Phenomena1

Information Science1

Named Groups2

Health Care1

Males with Klinefelter syndrome5

Symptoms21

Karyotype12

Klinefelter's Syndrome13

Infertile6

Harry Klinefelter2

Growth and development of the testicles1

Infertility12

Chromosomes8

Boys with Klinefelter syndrome4

Sperm9

People with Klinefelter syndrome2

Diagnosis of Klinefelter syndrome2

Patients with Klinefelter syndrome1

Puberty15

Testicles4

Testes3

Occurs9

Abnormal5

Trisomy3

Chromosomal disorders1

Testosterone levels4

19421

Endocrinologist1

Testicular3

Additional X chromosome1

20182

Mosaic2

Hormone9

Condition14

Developmental2

Females4

Monosomy1

Phenotype3

Fertility2

Prenatally2

47XXY1

Fetuses2

Individuals2

Newborns1

Gynecomastia4

Chromosome pattern2

Turner14

Extra9

Infants1

Affects males1

Signs1

Tend1

Chorionic1

Male births1

Ultrasound1

Common chromosomal1

Adulthood1

Partners pregnant1