PCOS diagnosis

There is no single blood test or symptom that defines or diagnoses PCOS. However there are several diagnostic criteria that DESCRIBE patients that probably have this condition which probably has diverse causes. The most commonly used criteria is the 2003 Rotterdam criteria. The Rotterdam criteria was based on a 2003 consensus meeting held in Rotterdam (Europena Society of Human Repproduction and Embryology/American Society of Reproductive Medicine consensus workshop group.

To make a PCOS diagnosis using this criteria requires two out of three of the following AND ruling out numerous conditions that can mimic the same symptoms

  1. Oligo and/or anovulation
  2. Clinical and/or biochemical signs of hyperthyroidism
  3. Polycystic ovaries by ultrasound
AND rule out the following mimics
The major criteria used for diagnosis of PCOS are listed below

 NIH consensus criteria 1990
(all required)
 Rotterdam criteria 2003
(two out of three required)
 AES definition 2008
(all required)
 Menstrual irregularity due to oligo- or anovulation Oligo- or anovulation Clinical and/or biochemical signs of hyperandrogenism
 Clinical and/or biochemical signs of hyperandrogenism Clinical and/or biochemical signs of hyperandrogenism Ovarian dysfunction – oligo-anovulation and/or polycystic ovaries on ultrasound
 Exclusion of other disorders: NCCAH, androgen-secreting tumors Polycystic ovaries (by ultrasound) Exclusion of other androgen excess or ovulatory disorders