Leo L. Han, M.D., M.P.H.

  • Assistant Professor of Obstetrics and Gynecology, School of Medicine
  • Affiliate Assistant Professor, Oregon National Primate Research Center


  • M.D., 2010, Northwestern Center Feinberg School of Medicine
  • M.P.H., 2016, Oregon Health & Science University
  • Residency:

    • University of Colorado in Denver
  • Fellowship:

    • Family Planning 2017, Oregon Health & Science University

Memberships and associations

  • American College of Obstetricians and Gynecologists
  • Reproductive Scientist Development Program
  • Society of Family Planning
  • Society for Reproductive Investigation
  • Society for the Study of Reproduction
  • American Society for Reproductive Medicine

Areas of interest

  • Reproductive Medicine
  • Family Planning
  • Contraception
  • Public Health


Selected publications

  • Han L, Andrews W, Wong K, Jensen JT. Conditionally reprogrammed macaque endocervical cells retain steroid receptor expression and produce mucus. Biol Reprod. 2020 May 26;102(6):1191-1202. doi: 10.1093/biolre/ioaa039. PMID: 32232331; PMCID: PMC7253786.
  • Han L, Padua E, Hart KD, Edelman A, Jensen JT. Comparing cervical mucus changes in response to an oral progestin or oestrogen withdrawal in ovarian-suppressed women: a clinical pilot. Eur J Contracept Reprod Health Care. 2019 Jun;24(3):209-215. doi: 10.1080/13625187.2019.1605503. Epub 2019 May 8. PMID: 31066303; PMCID: PMC6638556.
  • Han L, Padua E, Edelman A, Jensen JT. Appraising cervical mucus: a new approach to evaluating contraceptives. Eur J Contracept Reprod Health Care. 2018 Feb;23(1):78-83. doi: 10.1080/13625187.2018.1437134. Epub 2018 Feb 19. PMID: 29457758.
  • Han L, Saavedra-Avendano B, Lambert W, Fu R, Rodriguez MI, Edelman A, Darney B. Emergency Contraception in Mexico: Trends in Knowledge and Ever-Use 2006-2014. Matern Child Health J. 2017 Nov;21(11):2132-2139. doi: 10.1007/s10995-017-2328-6. PMID: 28699094.
  • Han L, Teal SB, Sheeder J, Tocce K. Preventing repeat pregnancy in adolescents: is immediate postpartum insertion of the contraceptive implant cost effective? Am J Obstet Gynecol. 2014 Jul;211(1):24.e1-7. doi: 10.1016/j.ajog.2014.03.015. Epub 2014 Mar 11. PMID: 24631431.


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