New Abortion Pill Reversal Study Shows a 68% Success Rate Authors Include Catholic Medical Association Members
Progesterone Protocol Offers Second Chance for Women Who Change Their Minds After Beginning the Medical Abortion Procedure

PHILADELPHIA, PA – APRIL 4, 2018 – A new medical study looking at the use of progesterone to reverse mifepristone (RU-486) medical abortions is being published in the peer-reviewed medical journal, Issues in Law and Medicine. Women who change their minds after taking mifepristone, the first drug in the medical abortion process, now have a safe and effective way to reverse their medical abortions.

Progesterone is the hormone essential to the maintenance of a normal, healthy pregnancy. Mifepristone acts as a progesterone receptor blocker. In the United States, 30 to 40% of all abortions are medical abortions.

The study, examined 261 successful mifepristone reversals, that showed the success rates were 68% with the high-dose oral progesterone protocol and 64% with the injected progesterone protocol; both were significantly better rates than the 25% survival rate if no treatment is offered. There was no increased risk of birth defects or preterm births.

Progesterone has been used safely in pregnancy for over 40 years. The authors included Catholic Medical Association (CMA) members George Delgado, M.D. and Mary Davenport, M.D., who have been studying reversing the effects of mifepristone since 2009.

“Women who change their minds after starting a medical abortion now have a second chance at choice,” using progesterone to reverse the effects of mifepristone is effective and does not increase the risks of birth defects,” said Dr. Delgado.

One patient wrote of the reversal, “It changed my entire world by helping me that night. This is the best feeling in the world and nothing else matters. Thank you.”

Dr. Delgado is the medical director of Culture of Life Family Services in San Diego, CA. Dr. Davenport is the Medical Director of Magnificat Maternal Health; she is based in El Sobrante, CA.

For more information on the study follow the link:

Women who decide to attempt a reversal of a medical abortion process please visit

The Catholic Medical Association is a national, physician-led community of over 2,400 healthcare professionals consisting of 103 local guilds. CMA’s mission is to inform, organize, and inspire its members, in steadfast fidelity to the teachings of the Catholic Church, to uphold the principles of the Catholic faith in the science and practice of medicine.

Susanne LaFrankie, MA
Director of Communications
Catholic Medical Association
Bala Cynwyd, PA 19004
C: 609-868-2005
W: 484-270-8002 x. 16