Abortion Pill Reversal, by Dr. Jeff Mirus

By Dr. Jeff Mirus, Catholic Culture, Dec 11, 2025 

Jeffrey Mirus holds a Ph.D. in intellectual history from Princeton University. A co-founder of Christendom College, he also pioneered Catholic Internet services. He is the founder of Trinity Communications and CatholicCulture.org.  See full bio.

For much more on this subject, see George Delgado, MD. Abortion Pill Reversal: A Second Chance at Choice. Ignatius Press, 2025. Paper $18.95; eBook $12.32.

In 2008, Dr. George Delgado, a family physician in San Diego County, California, received a phone call from a pro-life sidewalk counselor, Terry Palmquist, explaining that a woman in Texas had asked her for help after starting a chemical abortion using mifepristone. The woman had changed her mind and wanted desperately to know whether the abortion could be stopped.

In response to Terry’s request for a solution, Dr. Delgado wracked his brain. Then he asked Dr. Thomas Hilgers at the Saint Paul VI Institute in San Francisco to comment on the possibility of combatting the mifepristone with progesterone. Heartened by the response, Delgado arranged with a Texas physician, Jonnalyn Belocura, who was trained in Natural Procreative (NaPro) Technology, and who was willing to take the pregnant woman on as a patient to attempt to block the abortifacient chemicals and thwart the abortion. …

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