INS and Hirsutism: Confirmation of eligibility will require a clinical visit (hirsutism and acne scores; BMI) and blood sampling [to assess blood count, electrolyte panel, lipids, glucose, insulin, ALT, AST, GGT, creatinine, urea, vitamin B12, folic acid, progesterone, 17-OH-progesterone, thyroid-stimulating hormone (TSH), androgens (testosterone, SHBG, FAI, dehydroepiandrosterone-sulphate), prolactin, ultra-sensitive human chorionic gonadotropin (us-HCG)].