
Published April 28, 2025
The Ethics and Public Policy Center conducted the largest-known study of the abortion pill. This series of papers and resources presents the study’s findings and investigates women’s health and abortion using real-world data.
Papers
Insurance Data Reveals One in Ten Patients Experiences a Serious Adverse Event
An initial presentation of the largest-known study of the abortion pill and its findings.
Insurance Data Reveals Repeated Abortion Attempts Due to High Failure Rate
Additional Resources

FACT SHEET: Excluded Adverse Events in Real-World Study of Mifepristone
Which adverse events were excluded from the study and why.

Frequently Asked Questions
Answers to frequently asked questions about the largest study on chemical abortion.
Ryan T. Anderson, Ph.D., is the President of the Ethics and Public Policy Center.
Jamie Bryan Hall is the Director of Data Analysis and a fellow in the Life and Family Initiative at the Ethics and Public Policy Center.