Does Metformin Help with PCOS Symptoms?
Medically reviewed by Linda Girgis | MD, Girgis Family Medicine on August 21st, 2026.
Yes, Metformin significantly helps manage several PCOS symptoms by addressing underlying insulin resistance. Studies show that 65-85% of women with PCOS have insulin resistance, which worsens hormonal imbalances and symptoms. Metformin improves insulin sensitivity, leading to more regular menstrual cycles in 50-95% of users within 3-6 months. It also reduces testosterone levels by 15-25%, helping decrease hirsutism and acne. Weight loss of 5-10% is common with Metformin use, particularly around the midsection. The medication can restore ovulation and improve fertility rates by up to 40% in some studies. Most women see initial improvements within 6-12 weeks, with maximum benefits typically achieved after 3-6 months of consistent use.
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