Sun Y. Lee, MD, MSc

Assistant Professor, Boston University Chobanian & Avedisian School of Medicine

Biography

Dr. Sun Lee, MD, MSc, is an Assistant Professor of Medicine in the section of Endocrinology, Diabetes, Nutrition, and Weight Management at Boston University Chobanian & Avedisian School of Medicine.
She earned her MD from Rutgers University – New Jersey Medical School and her MSc in Epidemiology from Boston University School of Public Health. She completed her residency in internal medicine and clinical and research fellowship in endocrinology at Boston Medical Center/ Boston University School of Medicine.

Dr. Lee's clinical focus is thyroid disease and her research focuses on thyroid disorders and iodine nutrition, especially in pregnancy. She has been awarded NIH K23 grant to study effects of maternal thyroid function and thyroidal disruptor exposure on pregnancy and child developmental outcomes. Dr. Lee's research has been published in several peer-reviewed journals, and she has presented her work at national and international conferences.

With her expertise, she was invited to serve on the American Thyroid Association Thyroid and Pregnancy Guidelines Task Force, whose updated guideline was published in 2026. She is actively involved in professional societies locally and nationally. She also serves on the editorial board of Thyroid and AACE journals.

Publications

  • Published 7/9/2026

    Arora S, Lee SY. Subclinical Thyroid Dysfunction in Pregnancy. Endocr Pract. 2026 Jul 09. PMID: 42425488.

    Read at: PubMed

  • Published 5/31/2026

    Korevaar TIM, Leung AM, Alexander EK, Bliddal S, Boelaert K, Brenta G, Chou R, Dhillon-Smith R, Dosiou C, Eaton JL, Guan H, Kilpatrick SJ, Lasserre BJ, Lee SY, Maraka S, Meister KD, Morris-Wiseman LF, Nguyen CT, Pearce EN, Shan Z. American Thyroid Association 2026 Guidelines for Thyroid Disease in Preconception, Pregnancy, and Postpartum. Thyroid. 2026 May; 36(5):481-544. PMID: 42219800.

    Read at: PubMed

  • Published 4/28/2026

    Lee SY. No significant impact of levothyroxine treatment of maternal subclinical hypothyroidism on brain morphology in adolescence: insight from long-term follow up of Controlled Antenatal Thyroid Screening (CATS) study. Ann Transl Med. 2026 Apr 30; 14(2):23. PMID: 42164036.

    Read at: PubMed

  • Published 6/30/2025

    Lee SY. Maternal thyroid hypofunction and gestational diabetes risk. Lancet Diabetes Endocrinol. 2025 Aug; 13(8):636-637. PMID: 40609563.

    Read at: PubMed

  • Published 4/29/2025

    Liu Y, Osinga JAJ, Maraka S, Bliddal S, Alexander EK, Dosiou C, Boelaert K, Brenta G, Krabbendam E, Eaton JL, Guan H, Lee SY, Morris-Wiseman LF, Nguyen CT, Shan Z, Dhillon-Smith RK, Pearce EN, Peeters RP, Leung AM, Korevaar TIM. Risk Factors for Thyroid Function Test Abnormalities During Pregnancy: A Systematic Review of the Literature to Validate Current Risk Factors and Identify Novel Ones. Thyroid. 2025 May; 35(5):553-575. PMID: 40296843.

    Read at: PubMed

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Websites

Education

  • Rutgers University, MD
  • Wellesley College, BA

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