PLOD1 and polycystic ovary syndrome: The levels of LH (10.88 vs. 5.81 U/L), T (1.85 vs. 1.51 nmol/L), FAI (5.35 vs. 1.51) and androgen (12.80 vs. 9.19 nmol/L) in PCOS patients decreased significantly after treatment when compared to before treatment (p < 0.001) (Figs. 1 and 2).