In this study, abnormal elevated plasma T and LH/FSH ratio, as well as reduced levels of plasma FSH, E2, SHBG, and PROG in PCOS, was notably rectified by FO intervention, demonstrating that dietary FO supplementation was capable of improving the homeostasis of sex steroid hormones in PCOS. The gene discussed is BRD2; the disease is polycystic ovary syndrome.