PCOS Criteria Over decades

 

Table 1

PCOS Definitions 1990–2009

PCOS Definition	Clinical Hyperandrogenism (Ferriman-Gallwey Score ≥ 8) or Biochemical Hyperandrogenism (Elevated Total/Free Testosterone)	Oligomenorrhea (Less Than 6-9 Menses per Year) or Oligo-Ovulation	Polycystic Ovaries on Ultrasound (≥ 12 Antral Follicles in One Ovary or Ovarian Volume ≥ 10 cm3)
NICHD (1990)2	Yes	Yes	No
Rotterdam (2003)3	Yes	Yes	Yes
		2 of 3 criteria
AE-PCOS Society (2009)4	Yes	Yes	Yes
		1 of 2 criteria