Kathleen Elise O'Neill, MD, MTR

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Assistant Professor of Obstetrics and Gynecology at the Hospital of the University of Pennsylvania
Assistant Professor, Department of Obstetrics & Gynecology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
Attending, Gynecology, Ambulatory Surgical Facility, Penn Presbyterian Medical Center, Philadelphia, PA
Attending, Gynecology, Department of Gynecology & Neonatology, Penn Presbyterian Medical Center, Philadelphia, PA
Attending, Reproductive Endocrinology & Infertility, HUP Reproductive Surgical Facility, Philadelphia, PA
Attending, Reproductive Endocrinology & Infertility, Department of Ob/Gyn, Hospital of the University of Pennsylvania, Philadelphia, PA, University of Pennsylvania
Attending, Reproductive Endocrinology & Infertility , Department of Ob/Gyn, Pennsylvania Hospital, Philadelphia, PA
Medical Director, Uterine Transplant Program, University of Pennsylvania
Department: Obstetrics and Gynecology

Contact information
University of Pennsylvania
Department of Obstetrics and Gynecology
Division of Reproductive Endocrinology and Infertility
421 Curie Blvd, 1353 BRB II/III
Philadelphia, PA 19104
Office: (215) 898-0825
BA (Public Policy Studies)
Duke University, Durham, NC, 2003.
MD (Medicine)
University of Michigan, Ann Arbor, MI, 2008.
MTR (Translational Research)
University of Pennsylvania, Philadelphia, PA, 2015.
Permanent link
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Description of Clinical Expertise

Mullerian anomalies and Uterus transplant

Description of Research Expertise

Early embryo development, unexplained infertility, endometrium, uterus transplant

Selected Publications

Johannesson L, Testa G, Beshara MM, da Graca B, Walter JR, Quintini C, Latif N, Hashimoto K, Richards EG, O'Neill K.: Awareness and Interest in Uterus Transplantation over Time: Analysis of Those Seeking Surgical Correction for Uterine-Factor Infertility in the US. J Clin Med. 12(13): 4201, Jun 2023.

Tsui EL, O'Neill KE, LeDuc RD, Shikanov A, Gomez-Lobo V, Laronda MM. : Creating a common language for the subanatomy of the ovary. Biol Reprod. 108(1): 1-4, Jan 2023.

Deirdre Sawinski, Steven J. Ralston, Lisa Coscia, Christina L. Klein, Eileen Y. Wang, Paige Porret, Kathleen O’Neill & Ana S. Iltis : Counselling, Research Gaps, and Ethical Considerations Surrounding Pregnancy in Solid Organ Transplant Recipients. Journal of Bioethical Inquiry 2023.

O'Neill KE, Maher JY, Laronda MM, Duncan FE, LeDuc RD, Lujan ME, Oktay KH, Pouch AM, Segars JH, Tsui EL, Zelinski MB, Halvorson LM, Gomez-Lobo V.: Anatomic nomenclature and 3-dimensional regional model of the human ovary: call for a new paradigm. Am J Obstet Gynecol 2023.

Johannesson L, Richards E, Reddy V, Walter J, Olthoff K, Quintini C, Tzakis A, Latif N, Porrett P, O'Neill K, Testa G. : The First 5 Years of Uterus Transplant in the US: A Report From the United States Uterus Transplant Consortium. JAMA Surg. 2022 Jul 6. doi: 10.1001/jamasurg.2022.2612. Epub ahead of print. PMID: 35793102. Online ahead of print, Jul 2022.

Walter, Jessica R. MD, MSCE; O’Neill, Kathleen E. MD, MSTR : Reproductive Technology Considerations in Uterus Transplant. Clinical Obstetrics and Gynecology: 56(1): 68-75 March 2022 Notes: doi: 10.1097/GRF.0000000000000684.

Deirdre Sawinski, Liza Johannesson, Jakub Kristek, Jiri Fronek, Kathleen E. O’Neill, Anthony Gregg, Giuliano Testa, Paige M. Porrett : A multi-institutional study of renal outcomes and renal-related pregnancy outcomes in uterus transplant recipients. American Journal of Transplantation 2022.

Johanneson L, Testa G, Flyct R, Farrell R, Quintini C, Wall A, O'Neill K, Tzakis A, Richards EG, Gordon SM, Porrett PM: Guidelines for standardized nomenclature and reporting in uterus transplantation: An opinion from the United States Uterus Transplant Consortium. Am J Transplant Online ahead of print, May, 2020.

O'Neill K, Alexander J, Azuma R, Xiao R, Snyder NW, Mesaros CA, Blair IA, Pinney SE: Gestational Diabetes Alters the Metabolomic Profile in 2nd Trimester Amniotic Fluid in a Sex-Specific Manner. Int J Mo Sci 19(9), Sep 2018.

Stuart TJ, O'Neill K, Condon D, Sasson I, Sen P, Xia Y, Simmons RA: Diet-induced obesity alters the maternal metabolome and early placenta transcriptome and decreases placenta vascularity in the mouse. Biol Repro 98(6):795-809, June 2018.

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Last updated: 10/31/2023
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