Table 2.

PCOS classification

Classification into clinical phenotypes (Doi-Alshoumer)
Group	Criteria
A	Neuroendocrine dysfunction (IRMA LH/FSH ratio >1 or LH >6 IU/L) and irregular menstrual cycles (oligo/amenorrhea)
B	Without neuroendocrine dysfunction but with irregular menstrual cycles (oligo/amenorrhea)
C	Without neuroendocrine dysfunction and with regular menstrual cycles
Diagnostic criteria (Rotterdam)
Presence of two of three of the following criteria: 1—Oligo/amenorrhea 2—Hyperandrogenism 3—Polycystic ovaries (≥ 12 follicles measuring 2–9 mm in diameter and/or an ovarian volume > 10 mL in at least one ovary)