Klinefelter Syndrome Resource Center

Klinefelter Syndrome

Klinefelter syndrome is a genetic condition in which males have an extra X chromosome, which usually leads to small testes, low testosterone, fertility challenges, and a broad spectrum of other symptoms.

Testosterone replacement therapy and fertility treatments can reduce its impact.

ALL KLINEFELTER SYNDROME ARTICLES

Meet Our Experts In Klinefelter Syndrome
Everyday Health’s team of board-certified physicians and health professionals contribute to the creation and review of content, ensuring that the information is useful, up to date, and accurate.
EDITORIAL SOURCES
Everyday Health follows strict sourcing guidelines to ensure the accuracy of its content, outlined in our editorial policy. We use only trustworthy sources, including peer-reviewed studies, board-certified medical experts, patients with lived experience, and information from top institutions.
Resources
  1. Klinefelter Syndrome. MedlinePlus. July 10, 2023.
  2. Klinefelter Syndrome: Diagnosis and Treatment. Mayo Clinic. October 29, 2024.