“…In observational studies, the diagnosis and assessment were conducted based on per-abdominal or transvaginal ultrasonography [18] reduction in the interval of menses [19], clinical presentation (regularity of menses [23], general well-being, acne, secondary hirsutism, lethargy, reduction in obesity, infertility) [20], overall quality of life (QoL) using PCOS Questionnaire, changes in hormonal profiles (progesterone, insulin, thyroid-stimulating hormone (TSH), testosterone, folliclestimulating hormone (FSH), luteinising hormone (LH), LH/FSH and prolactin) [22]. In one study, no information has been provided regarding the assessment criteria [21].…”