How long does it take for metformin to regulate periods?

By Sarah Bradley, Mar 10, 2025

“Metformin helps lower blood sugar in three ways: by decreasing the production of glucose in your liver, improving your insulin sensitivity, and reducing the amount of glucose absorbed in your intestines,” says Kecia Gaither, MD, OB-GYN and director of perinatal services and maternal-fetal medicine at NYC Health + Hospitals/Lincoln in the Bronx, New York. How does this benefit people with PCOS, specifically? Less insulin sensitivity helps reduce hyperandrogenism—the excessive release of male hormones that can trigger menstrual irregularities—as well as restore ovarian function and promote more regular ovulation and menstruation, according to Dr. Gaither.   

Click HERE for the full article.