Desi Dwi Nurchasanah and Lintang Dwi Marti 2026. The Effectiveness of Metformin in Reducing the Risk of Preeclampsia in Patients with Polycystic Ovary Syndrome (PCOS) : A Systematic Review. The International Journal of Medical Science and Health Research. 47, 2 (May 2026), 157–199. DOI:https://doi.org/10.70070/0ek38k46.