Table 1. Different diagnostic criteria used for PCOS. Information from Azziz et al. (2016) [3].

PCOS: polycystic ovary syndrome

	1990 National Institutes of Health criteria	2003 Rotterdam criteria	2009 Androgen Excess and PCOS Society
	Must have both of the findings	Must have 2 out of the 3 findings	Must have 1 and either 2 or 3
Menstrual abnormalities: amenorrhea/oligomenorrhea	1	1	1
Hyperandrogenism: Biochemically or clinically (hirsutism/acne)	2	2	2
Ultrasound imaging: polycystic ovaries		3	3