Definition, Diagnosis, and Epidemiology of the Polycystic Ovary Syndrome

  • Ricardo Azziz
Part of the Endocrine Updates book series (ENDO, volume 27)

The Polycystic Ovary Syndrome (PCOS) is a heterogeneous disorder, whose principal features include androgen excess, ovulatory dysfunction, and/or polycystic ovaries, and is recognized as one of the most common endocrine/metabolic disorders of women. This syndrome was first described by Stein and Leventhal in 1935 [1], although the presence of sclerocystic ovaries had been recognized for at least 90 years before the publication of that seminal work. Following, we review the definition, diagnostic scheme, and epidemiology of PCOS as it currently stands.


Polycystic Ovary Polycystic Ovary Syndrome Acanthosis Nigricans Androgen Excess Menstrual Dysfunction 
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Copyright information

© Springer 2007

Authors and Affiliations

  • Ricardo Azziz
    • 1
  1. 1.Dept. of Ob/Gyn and Center for Androgen Related DisordersCedars-Sinai Medical CenterLos AngelesUSA

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