47,XXY; XXY syndrome; XXY trisomy
Klinefelter syndrome is a chromosomal condition that affects male sexual development. Most males with Klinefelter syndrome have one extra copy of the X chromosome in each cell. Some males with the condition have low levels of the hormone testosterone beginning during puberty, which can lead to breast development (gynecomastia) and an increased risk of breast cancer, reduced facial and body hair, and an inability to father children (infertility). Boys with Klinefelter syndrome may also have di...
A genetic disorder in males caused by having an extra X chromosome. Males with this disorder may have larger than normal breasts, a lack of facial and body hair, a rounded body type, and small testicles. They may learn to speak much later than other children and may have difficulty learning to read and write. Klinefelter's syndrome increases the risk of developing testicular cancer.
Klinefelter syndrome as related to Klinefelter's Syndrome
- Klinefelter syndrome - Wikipedia
Klinefelter syndrome (KS) also known as 47,XXY or XXY, is the set of symptoms that result from two or more X chromosomes in males. The primary feature is sterility ...
- Klinefelter's Syndrome: MedlinePlus
Klinefelter syndrome (KS) is a condition that occurs in men who have an extra X chromosome. The syndrome can affect different stages of physical, language, and …
- Klinefelter syndrome - Genetics Home Reference
Klinefelter syndrome is a chromosomal condition that affects male physical and cognitive development. Its signs and symptoms vary among affected individuals. …
- Klinefelter’s Syndrome Pictures
What is Klinefelter’s Syndrome. Klinefelter’s syndrome is a genetic disorder characterized by the presence of an additional X chromosome in almost all of the ...
- Home - Klinefelter's Syndrome Association
We offer support and information to all affected by, or having an interest in, Klinefelter’s Syndrome. Through our website and helpline we have information ...
- Klinefelter Syndrome Support Group website
Website for Klinefelter Syndrome support ... DISCLAIMER The information, text, graphics, and links provided on this site are provided
- Overview - Klinefelter syndrome - Mayo Clinic
AskMayoExpert. Klinefelter syndrome. Minn.: Mayo Foundation for Medical Education and Research; 2015. National Library of Medicine. Klinefelter syndrome.
- Klinefelter’s syndrome, a chromosomal condition affecting ...
Klinefelter’s Syndrome is a genetic condition that only affects males. The condition is present from birth and is due to an extra X chromosome.