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  • Klinefelter syndrome - Symptoms and causes - Mayo Clinic
    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: What It Is, Symptoms Treatment
    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
  • 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 born with an extra X chromosome Thus a male with Klinefelter has XXY instead of the usual XY pair
  • Klinefelter Syndrome: Symptoms, Genetics, and Treatment
    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 (KS) - NICHD
    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 can be subtle, so symptoms often are not recognized and may not be treated in a timely manner
  • XXY Syndrome: What It Is, Causes, Signs and Symptoms . . .
    XXY syndrome, also known as Klinefelter syndrome (KS), is a genetic condition characterized by the presence of an extra X chromosome (47, XXY) Humans have 22 pairs of numbered chromosomes and one pair of sex chromosomes, resulting in a total of 46 chromosomes
  • Klinefelter Syndrome - Childrens Hospital of Philadelphia
    What is Klinefelter syndrome? Klinefelter syndrome is a chromosomal anomaly that affects males It occurs when a boy is born with an extra X chromosome Symptoms can be subtle and many men do not realize that they are affected
  • Klinefelter Syndrome: Symptoms, Causes, Diagnosis, and Treatment
    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




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