Fig. 2From: The effects of metformin on anti-Müllerian hormone levels in patients with polycystic ovary syndrome: a systematic review and meta-analysisMeta-analysis of serum AMH levels in women with PCOS before and after metformin administration from 14 studies using a random-effect model. CI = confidence interval, AMH= anti-Müllerian hormone, PCOS = polycystic ovary syndrome, SMD = standard mean differenceBack to article page