Diagnosing Polycystic Ovary Syndrome

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The Rotterdam criteria are used to diagnose polycystic ovarian syndrome (PCOS) and at least 2 of the following 3 must be met:

  • Excess of androgens or male hormones (clinical and/or in blood tests).
  • Greater number of follicles (structures in which the eggs develop) in the gynecological ultrasound.
  • Alteration of the menstrual cycle and ovulation.

Other causes that may produce these signs and symptoms such as congenital adrenal hyperplasia, hyperprolactinemia, thyroid dysfunction, hypercortisolism, and androgen-secreting tumors must be excluded.

Substantiated information by:

Gemma Casals i Soler

Published: 28 May 2021
Updated: 28 May 2021

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