BMI: Body Mass Index; mFG score: Modified Ferriman-Gallwey score; FSH: Follicle-Stimulating Hormone; LH: Luteinizing Hormone; SHBG: Sex Hormone-Binding Globulin; DHEAS: Dehydroepiandrosterone sulfate; HOMA-IR: Homeostatic Model Assessment of Insulin Resistance; HDL: High-density lipoprotein; LDL: Low-density lipoprotein. The gene discussed is SHBG; the disease is Insulin resistance.