PLOD1 and polycystic ovary syndrome: r: Pearson correlation; AMH: Anti-Mullerian hormone, TSH: thyroid-stimulating hormone, FSH: follicle stimulating hormone, LH: luteinizing hormone, Insulin, FBG: fasting blood glucose, TC: total cholesterol, HDL-C: high-density lipoprotein cholesterol, LDL-C: low-density lipoprotein cholesterol, TG: triglyceride; VLDL-C: very low-density lipoprotein; PCOS: polycystic ovarian syndrome