When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Klinefelter syndrome - Symptoms and causes - Mayo Clinic

    www.mayoclinic.org/diseases-conditions/klinefelter-syndrome/symptoms-causes/...

    Klinefelter syndrome is a common condition that results when a person assigned male at birth has an extra copy of the X sex chromosome instead of the typical XY. Klinefelter syndrome is a genetic condition that occurs before birth, but it often isn't diagnosed until adulthood.

  3. Klinefelter syndrome - Wikipedia

    en.wikipedia.org/wiki/Klinefelter_syndrome

    Klinefelter syndrome (KS), also known as 47,XXY, is a chromosome anomaly where a male has an extra X chromosome. [10] These complications commonly include infertility and small, poorly functioning testicles (if present).

  4. Klinefelter Syndrome: What It Is, Symptoms & Treatment - ...

    my.clevelandclinic.org/health/diseases/21116

    Klinefelter syndrome is a common genetic condition in which people assigned male at birth (AMAB) have an additional X chromosome. Symptoms may include breast growth, infertility, osteoporosis and learning difficulties. Treatments usually involve physical and emotional therapy, as well as hormone replacement.

  5. Klinefelter syndrome - MedlinePlus

    medlineplus.gov/genetics/condition/klinefelter-syndrome

    Klinefelter syndrome, also called 47,XXY, is a chromosomal condition that affects development in people who are assigned male at birth. The signs and symptoms of Klinefelter syndrome vary. In some cases, the features are so mild that the condition is not diagnosed until puberty or adulthood.

  6. About Klinefelter Syndrome - National Human Genome Research...

    www.genome.gov/Genetic-Disorders/Klinefelter-Syndrome

    Klinefelter syndrome is a condition that occurs in men as a result of an extra X chromosome. The most common symptom is infertility. Humans have 46 chromosomes, which contain all of a person's genes and DNA. Two of these chromosomes, the sex chromosomes, determine a person's gender.

  7. Klinefelter syndrome, also known as XXY syndrome, is a condition in boys and men that’s caused by an extra X chromosome. It can affect physical and mental development.

  8. Klinefelter Syndrome: Symptoms, Causes, Treatments, and More - ...

    www.healthline.com/health/klinefelter-syndrome

    Klinefelter syndrome is a genetic disease that causes biological males to be born with an extra copy of the X chromosome in their cells. Males with this condition may not have any symptoms, or...

  9. Klinefelter syndrome - Diagnosis and treatment - Mayo Clinic

    www.mayoclinic.org/diseases-conditions/klinefelter-syndrome/diagnosis...

    If you have a child with Klinefelter syndrome, you can help with healthy mental, physical, emotional and social development. Learn about Klinefelter syndrome. Then you can give accurate information, support and encouragement.

  10. Klinefelter Syndrome - Johns Hopkins Medicine

    www.hopkinsmedicine.org/health/conditions-and-diseases/klinefelter-syndrome

    Klinefelter syndrome occurs when a male is born with an extra X chromosome. Thus a male with Klinefelter has XXY instead of the usual XY pair. Because males with this condition produce less of the male hormone testosterone than other males, they are less masculine-looking than their peers.

  11. Klinefelter Syndrome - MedlinePlus

    medlineplus.gov/klinefeltersyndrome.html

    Klinefelter syndrome (KS) is a genetic condition that happens when a male is born with an extra copy of the X chromosome. KS can affect different stages of physical, language, and social development. It also usually causes infertility. What causes Klinefelter syndrome (KS)? KS is not inherited.