PLOD1 and polycystic ovary syndrome: There were no significant differences in LH, FSH, LH/FSH, E2 (Estradiol), T (testosterone) levels, blood glucose, cholesterol, triglyceride, high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), fertilization rate, cleavage rate and embryo top-quality rate between normal-weight PCOS patients and controls.