Table 1.

Criteria for the diagnosis of polycystic ovary syndrome (3).

NIH/NICHD	ESHRE/ASRM 2004	Androgen Excess Society 2006
Includes all of the following criteria:	Includes two of the following criteria:	Includes all of the following criteria:
• Clinical and/or biochemical signs of hyperandrogenism	• Clinical and/or biochemical signs of hyperandrogenism	• Clinical and/or biochemical signs of hyperandrogenism
• Menstrual dysfunction	• Oligo-ovulation or anovulation • Polycystic ovaries	• Ovarian dysfunction and/or polycystic ovaries

ESHRE/ASRM, European Society for Human Reproduction and Embryology/American Society for Reproductive Medicine; NIH/NICHD, National Institutes of Health/National Institute of Child Health and Human Development.