PLOD1 and polycystic ovary syndrome: In terms of the LH and FSH hormones, which supports ovulation, women with PCOS typically have a LH level of 18 mlU/ml and a FSH level of 6 mlU/ml, which is within the normal range of 5-20 mlU/ml, and indicated as an elevated LH to FSH ratio or a ratio of 3: 1 [31].