Vitamin D improves levels of hormonal, oxidative stress and inflammatory parameters in polycystic ovary syndrome: a meta-analysis study

Background: Hyperandrogenism (HA), inflammation, and oxidative damage play key roles in the pathophysiology of polycystic ovary syndrome (PCOS). Whether vitamin D adjuvant therapy improves hormonal, PCOS patients has aroused widespread interest, but results are controversial. To evaluate effect supplementation on stress, inflammatory parameters with PCOS.