Katherine Ehrenreich, MSc
Project Director
Katherine Ehrenreich is a Project Director for a portfolio of studies aiming to create an evidence base for over-the-counter (OTC) medication abortion. Her work includes implementation and oversight of multiple research studies focused on exploring the feasibility of an OTC model of abortion care and people’s experiences accessing medication abortion. Katherine has a background in qualitative research design and analysis, and has over a decade of experience in social science research and program implementation related to abortion. Her previous experience includes implementation of an abortion and contraception service delivery model internationally. Katherine received her BA in Anthropology from Macalester College and her MSc in Reproductive and Sexual Health Research from the London School of Hygiene and Tropical Medicine.
Citations
- Merz-Herrala AA, Biggs MA, Ehrenreich K, Kaller S, Ralph LJ, Scott KA, Kapp N, Kromenaker T, Perritt J, Kari White, Grossman D. Examining the association between prior medical mistreatment and interest in and support for over-the-counter medication abortion among people seeking in-person abortion in the United States. BMC Health Services Research. April 2026; https://doi.org/10.1186/s12913-026-14505-2.
- Ralph LJ, Baba F, Ehrenreich K, Natalie Morris, MPH, Biggs MA, Blanchard K, Hernández E, Kapp N, Kromenaker T, Perritt J, Raymond EG, Kari White, Grossman D. Accuracy of Self-Selection for Medication Abortion Using a Prototype Drug Facts Label. JAMA Internal Medicine. April 2026; https://doi.org/10.1001/jamainternmed.2026.0298.
- Ehrenreich K, Biggs MA, Kaller S, Ralph LJ, Blanchard K, Bustamante CK, Cervantes M, Hauser D, Hernández E, Kapp N, Kromenaker T, Moayedi G, Perritt J, Raymond EG, Kari White, Grossman D. Development of a consumer information leaflet for a prototype over-the-counter mifepristone and misoprostol medication abortion product. Contraception. January 2026; https://doi.org/10.1016/j.contraception.2025.111361.
- Watson K, Grossman D, Ehrenreich K, Biggs MA, Ralph LJ. Assessing Comprehension of Informed Consent in Abortion Research. Contraception. August 2025; https://doi.org/10.1016/j.contraception.2025.111051.
- Biggs MA, Ralph LJ, Ehrenreich K, Kaller S, Blanchard K, Hauser D, Kapp N, Kromenaker T, Moayedi G, Perritt J, Raymond EG, Kari White, Grossman D. No-Test Screening Protocols May Disproportionately Exclude Structurally Oppressed Communities Who Could Benefit from Accessing Medication Abortion. Health Equity. March 2025; https://doi.org/10.1089/heq.2024.0128.
- Ralph LJ, Ehrenreich K, Kaller S, Gurazada T, Biggs MA, Blanchard K, Hauser D, Kapp N, Kromenaker T, Moayedi G, Gil JP, Perritt J, Raymond EG, Taylor D, Kari White, Valladares ES, Williams S, Grossman D. Accuracy of survey-based assessment of eligibility for medication abortion compared with clinician assessment. American Journal of Obstetrics & Gynecology. January 2025; https://doi.org/10.1016/j.ajog.2025.01.008.
- Biggs MA, Ehrenreich K, Natalie Morris, MPH, Bachrach L, Crespin J, Grossman D. Young People's Support for and Personal Interest in an Advance Provision Model for Medication Abortion. Journal of Pediatric and Adolescent Gynecology. August 2024; https://doi.org/10.1016/j.jpag.2024.07.012.
- Krems JM, Grossman D, Ehrenreich K, Ralph LJ. Money and place: Quantifying the types of obstacles associated with seeking an abortion after 10 weeks’ gestation, 2019–2020. Contraception. July 2024; https://doi.org/10.1016/j.contraception.2024.110476.
- Ehrenreich K, Baba F, Raifman S, Grossman D. Perspectives on Alternative Models of Medication Abortion Provision Among Abortion Patients in the United States. Women's Health Issues. April 2023; https://doi.org/10.1016/j.whi.2023.03.007.
- Ralph LJ, Biggs MA, Ehrenreich K, Grossman D. Accuracy of Self-assessment of Gestational Duration Among Adolescents Seeking Abortion Using Information in Addition to Date of Last Menstrual Period. JAMA Pediatrics. April 2023; https://doi.org/10.1001/jamapediatrics.2023.0483.
- Natalie Morris, MPH, Ehrenreich K, Gurazada T, Grossman D. Feasibility and Acceptability of At-Home Routine Pregnancy Testing in the United States: A Pilot Study. Women's Health Issues. February 2023; https://doi.org/10.1016/j.whi.2023.01.002.
- Ehrenreich K, Kimport K. Prenatal Care as a Gateway to Other Health Care: A Qualitative Study. Women's Health Issues. October 2022; DOI: 10.1016/j.whi.2022.08.006.
- Ralph LJ, Ehrenreich K, Kaller S, Biggs MA. A cross-sectional study examining consideration of self-managed abortion among people seeking facility-based care in the United States. Reproductive Health. August 2022; DOI: 10.1186/s12978-022-01486-8.
- Biggs MA, Ehrenreich K, Natalie Morris, MPH, Blanchard K, Bustamante CK, Choimorrow SY, Hauser D, Hernandez Y, Kapp N, Kromenaker T, Moayedi G, Perritt J, Ralph LJ, Raymond EG, Valladares ES, Kari White, Grossman D. Comprehension of an Over-the-Counter Drug Facts Label Prototype for a Mifepristone and Misoprostol Medication Abortion Product. Obstetrics & Gynecology. May 2022; DOI: 10.1097/AOG.0000000000004757.
- Biggs MA, Ralph LJ, Natalie Morris, MPH, Ehrenreich K, Perritt J, Kapp N, Blanchard K, Kari White, Barar RE, Grossman D. A cross-sectional survey of U.S. abortion patients’ interest in obtaining medication abortion over the counter. Contraception. January 2022; DOI: 10.1016/j.contraception.2022.01.010.
- Ralph LJ, Ehrenreich K, Barar RE, Biggs MA, Natalie Morris, MPH, Blanchard K, Kapp N, Moayedi G, Perritt J, Raymond EG, Kari White, Grossman D. Accuracy of self-assessment of gestational duration among people seeking abortion. American Journal of Obstetrics & Gynecology. December 2021; doi: 10.1016/j.ajog.2021.11.1373.
- Ehrenreich K, Biggs MA, Grossman D. Making the case for advance provision of mifepristone and misoprostol for abortion in the United States. BMJ Sexual & Reproductive Health. December 2021; doi: 10.1136/bmjsrh-2021-201321.
- Raifman S, Biggs MA, Ralph LJ, Ehrenreich K, Grossman D. Exploring attitudes about the legality of self managed abortion in the US: Results from a nationally representative survey. Journal of Sexuality Research and Social Policy. March 2021; [Epub ahead of print].
- Ehrenreich K, Kriz R, Grossman D. Miscarriage information available on the internet: a content analysis of leading consumer websites. Contraception: X. October 2019; 1(2019):100010.
- Ehrenreich K, Kaller S, Grossman D. Women's Experiences Using Telemedicine to Attend Abortion Information Visits in Utah: A Qualitative Study. Women's Health Issues. September 2019; Volume 29, Issue 5, Pages 407–413.
The latest research
See allApril 13, 2026
Examining the association between prior medical mistreatment and interest in and support for over-the-counter medication abortion among people seeking in-person abortion in the United States
Merz-Herrala AA, Biggs MA, Ehrenreich K, Kaller S, Ralph LJ, Scott KA, Kapp N, Kromenaker T, Perritt J, Kari White, Grossman D. Examining the association between prior medical mistreatment and interest in and support for over-the-counter medication abortion among people seeking in-person abortion in the United States. BMC Health Services Research. April 2026; https://doi.org/10.1186/s12913-026-14505-2.
April 6, 2026
Accuracy of Self-Selection for Medication Abortion Using a Prototype Drug Facts Label
Ralph LJ, Baba F, Ehrenreich K, Natalie Morris, MPH, Biggs MA, Blanchard K, Hernández E, Kapp N, Kromenaker T, Perritt J, Raymond EG, Kari White, Grossman D. Accuracy of Self-Selection for Medication Abortion Using a Prototype Drug Facts Label. JAMA Internal Medicine. April 2026; https://doi.org/10.1001/jamainternmed.2026.0298.
January 2, 2026
Development of a consumer information leaflet for a prototype over-the-counter mifepristone and misoprostol medication abortion product
Ehrenreich K, Biggs MA, Kaller S, Ralph LJ, Blanchard K, Bustamante CK, Cervantes M, Hauser D, Hernández E, Kapp N, Kromenaker T, Moayedi G, Perritt J, Raymond EG, Kari White, Grossman D. Development of a consumer information leaflet for a prototype over-the-counter mifepristone and misoprostol medication abortion product. Contraception. January 2026; https://doi.org/10.1016/j.contraception.2025.111361.
August 14, 2025
Assessing Comprehension of Informed Consent in Abortion Research
Watson K, Grossman D, Ehrenreich K, Biggs MA, Ralph LJ. Assessing Comprehension of Informed Consent in Abortion Research. Contraception. August 2025; https://doi.org/10.1016/j.contraception.2025.111051.
March 26, 2025
No-Test Screening Protocols May Disproportionately Exclude Structurally Oppressed Communities Who Could Benefit from Accessing Medication Abortion
Biggs MA, Ralph LJ, Ehrenreich K, Kaller S, Blanchard K, Hauser D, Kapp N, Kromenaker T, Moayedi G, Perritt J, Raymond EG, Kari White, Grossman D. No-Test Screening Protocols May Disproportionately Exclude Structurally Oppressed Communities Who Could Benefit from Accessing Medication Abortion. Health Equity. March 2025; https://doi.org/10.1089/heq.2024.0128.
January 9, 2025
Accuracy of survey-based assessment of eligibility for medication abortion compared with clinician assessment
Ralph LJ, Ehrenreich K, Kaller S, Gurazada T, Biggs MA, Blanchard K, Hauser D, Kapp N, Kromenaker T, Moayedi G, Gil JP, Perritt J, Raymond EG, Taylor D, Kari White, Valladares ES, Williams S, Grossman D. Accuracy of survey-based assessment of eligibility for medication abortion compared with clinician assessment. American Journal of Obstetrics & Gynecology. January 2025; https://doi.org/10.1016/j.ajog.2025.01.008.