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Sarah Jorgensen vs. transgender people

Sarah CJ Jorgensen is a Canadian pharmaceutical researcher and anti-transgender activist.

Background

Jorgensen earned two bachelor’s degrees from University of British Columbia in 2005 and 2009 respectively. Jorgensen then worked as a pharmacist in British Columbia, then earned a doctorate in pharmacy from University of Florida in 2014. After earning a master’s degree from Wayne State University in 2019, Jorgensen earned a doctorate from University of Toronto in 2024.

In 2024, Jorgensen was appointed Associate Research Scientist at Marshfield Clinic Research Institute.

Anti-trans activism

Starting in 2022, Jorgensen began getting actively involved in anti-trans research and writing. Jorgensen has published in the anti-trans journals Archives of Sexual Behavior and Journal of Sex & Marital Therapy.

In 2023, Jorgensen signed a citizen petition (FDA-2023-P-3767) prepared by Nancy Stade that attacks gender affirming care for minors. It was signed by many other leading lights in anti-trans activism worldwide.

Jorgensen’s co-authors on anti-trans work include:

References

Stade, Nancy K. (September 4, 2023). Citizen Petition from Nancy K. Stade et. al. https://www.regulations.gov/document/FDA-2023-P-3767-0001

Selected writing by Jorgensen

Jorgensen SCJ (2026). Safeguarding Gaps in the PATHWAYS Trial: Insights from GnRH Analogue Use in Gynecology. Journal of Sex & Marital Therapy 2026;52(4):388-395. https://doi.org/10.1080/0092623X.2026.2641107

Jorgensen SCJ (2025). Challenges estimating the effects of testosterone on health outcomes in transgender men: immortal time bias and other methodological concerns. European Journal of Endocrinology. 2025 Nov 26;193(6):L38-L39. https://doi.org/10.1093/ejendo/lvaf237

Jorgensen SCJ (2025). Letter to the Editor on “Examining gender-specific mental health risks after gender-affirming surgery: a national database study”. Journal of Sexual Medicine 2025 Sep 4;22(9):1710-1711. https://doi.org/10.1093/jsxmed/qdaf159

  • [response to] Lewis, J. E., Patterson, A. R., Effirim, M. A., Patel, M. M., Lim, S. E., Cuello, V. A., Phan, M. H., & Lee, W.-C. (2025). Examining gender-specific mental health risks after gender-affirming surgery: a national database study. The Journal of Sexual Medicine, 22(4), 645–651. https://doi.org/10.1093/jsxmed/qdaf026

Laidlaw MK, Jorgensen S (2025). Exploring Safety in Gender-Affirming Hormonal Treatments: An Observational Study on Adverse Drug Events Using the Food and Drug Administration Adverse Event Reporting System Database. Annals of Pharmacotherapy. 2025 May;59(5):491-492. https://doi.org/10.1177/10600280241278913

Sinai J, Kulatunga-Moruzi C, Jorgensen S (2025). Levels of Satisfaction and Regret Are Far From Settled. JAMA Pediatrics. 2025 May 1;179(5):579-580. https://doi.org/10.1001/jamapediatrics.2025.0004

Jorgensen SCJ, Athéa N, Masson C (2024). Puberty Suppression for Pediatric Gender Dysphoria and the Child’s Right to an Open Future. Archives of Sexual Behavior 2024 May;53(5):1941-1956. https://doi.org/10.1007/s10508-024-02850-4

Jorgensen SCJ (2023). Psychosocial Functioning in Transgender Youth after Hormones. New England Journal of Medicine  2023 Oct 19;389(16):1537-1538. https://doi.org/10.1056/NEJMc2302030

Jorgensen SCJ (2023). Transition Regret and Detransition: Meanings and Uncertainties. Archives of Sexual Behavior 2023 Jul;52(5):2173-2184. https://doi.org/10.1007/s10508-023-02626-2

Jorgensen SCJ (2023). Iatrogenic Harm in Gender Medicine. Journal of Sex & Marital Therapy 2023;49(8):939-944 https://doi.org/10.1080/0092623X.2023.2224320

Jorgensen SCJ, Hunter PK, Regenstreif L, Sinai J, Malone WJ (2022). Letter: Puberty blockers for gender dysphoric youth: A lack of sound science. JACCP: Journal of the American College of Clinical Pharmacy Volume 5, Issue 9, September 2022 Pages 1005-1007 https://doi.org/10.1002/jac5.1691

Resources

Marshfield Clinic Research Institute (marshfieldresearch.org)

X/Twitter (x.com)

LinkedIn (linkedin.com)

National Library of Medicine (ncbi.nlm.nih.gov)