
Klinefelter syndrome - Symptoms and causes - Mayo Clinic
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 - Wikipedia
Klinefelter syndrome (KS), also known as 47,XXY, is a chromosome anomaly where a male has an extra X chromosome. [10] The complications commonly include infertility and small, poorly …
Klinefelter Syndrome: What It Is, Symptoms & Treatment
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 …
Johns Hopkins Klinefelter Syndrome Center
Most males with Klinefelter syndrome, also called XXY males, have two X chromosomes instead of one. The extra X usually occurs in all body cells. Sometimes the extra X only occurs in …
Klinefelter Syndrome (KS) - NICHD - Eunice Kennedy Shriver …
Dec 20, 2023 · KS describes a set of physical, language, and social development symptoms in males who have an extra X chromosome. Its main feature is infertility. Outward signs of KS …
What Is XXY Chromosome (Klinefelter Syndrome)? | Genetic Facts …
Klinefelter Syndrome is a genetic condition caused by an extra X chromosome in males, leading to physical, developmental, and hormonal differences.
Klinefelter Syndrome: Symptoms, Causes, Diagnosis, and Treatment - WebMD
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.
Klinefelter Syndrome: Symptoms, Genetics, and Treatment
2 days ago · Klinefelter syndrome is a genetic condition that affects only males. Here's what you should know about the causes, symptoms, and treatment options for the condition.
Klinefelter Syndrome - Johns Hopkins Medicine
What is Klinefelter syndrome? Most men are born with a pair of XY chromosomes, while most females are born with pair of XX chromosomes. Klinefelter syndrome occurs when a male is …
Klinefelter syndrome: MedlinePlus Genetics
Klinefelter syndrome affects about 1 in 650 male newborns. It is the most common sex chromosome disorder, which is a group of conditions caused by changes in the number of sex …