R. Michelle Sarin O'Neil, MD, FACOG

Provider Specialties
Obstetrics, Gynecology
Dr. Sarin O’Neil is a board-certified OB/GYN and has been a member of Main Line OB/GYN since 2017. Originally from Indiana, she went to Indiana University as a Wells Scholar and earned dual degrees in biology and English, graduating with honors and several awards. She went to medical school at the University of Pittsburgh School of Medicine and competed residency at The Ohio State University. She returned to Pennsylvania to practice and is a member of American College of Obstetrics and Gynecology.
While she has been active in research in the past and multiple publications to her name, she now focuses on providing cutting-edge clinical care. She enjoys caring for women in all stages of their lives. She has a particular interest in adolescent care, robotic and laparoscopic surgery, and family planning services.
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News & Resources

September 16, 2025
Axia Women’s Health Launches AI-Assisted Mammograms To Support Earlier Breast Cancer Detection
Axia Women’s Health announced today it is now offering an FDA-cleared artificial intelligence (AI) technology with every mammogram at no cost to patients. By investing in offering this additional service...
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August 11, 2026
Could It Be Fibroids? Understanding the Symptoms and Your Options
If you’ve been dealing with heavier periods than usual, unexplained pelvic pressure, or discomfort that’s hard to pin down, you’re not alone and you’re not imagining it. Uterine fibroids are one of the most...
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August 4, 2026
When Your Period Isn’t Going With The Flow: What’s Normal, What’s Not
Your period can tell you a lot about your health. That’s why it’s important to pay attention to your cycle. In our latest edition of “What’s Up, Down There,” we break down the basics of various menstrual...
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