Oct 29, 2024 · 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 …

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).

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 …

Oct 9, 2023 · Klinefelter syndrome is a common genetic condition in which males 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. What is Klinefelter syndrome?

Oct 28, 2024 · 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.

May 19, 2019 · Males who have Klinefelter syndrome may have the following symptoms: small, firm testes, a small penis, sparse pubic, armpit and facial hair, enlarged breasts (called gynecomastia), tall stature, and abnormal body proportions (long legs, short trunk).

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 …

Oct 29, 2024 · 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.

Nov 12, 2023 · Klinefelter syndrome (KS) results from 2 or more X chromosomes in a phenotypic male. The clinical phenotype of KS was first described by American physician Dr. Harry Klinefelter in 1942. The syndrome describes males with tall stature, small testes, gynecomastia, and …

Klinefelter syndrome is caused by an additional X chromosome. This chromosome carries extra copies of genes, which may interfere with the development of the testicles and mean they produce less testosterone (male sex hormone) than usual.