A confirmed diagnosis of PCOS was in accordance with the revised diagnostic criteria of PCOS set in the 2003 Rotterdam consensus workshop [10 (link)]: (1) sporadic ovulation or anovulation; (2) clinical symptoms (including hirsutism and/or acne) or biochemical evidence of hyperandrogenism (total testosterone >3.5 mmol/L); (3) polycystic ovarian lesions detected using the ultrasound method: ≥10–12 follicles with a diameter of 2–9 mm in each ovary and/or an ovarian volume of ≥l0 mL. Patients meeting either of the above criteria were diagnosed with PCOS.
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