Reversión de la píldora abortiva: qué es y qué no es

Abortion pill reversal is a real method that can work to stop an at-home abortion before it is completed. If you started the at-home abortion process by taking pills to do a medical abortion, it is okay to change your mind if you are having second thoughts. This article will break down how abortion pill reversal works from a medical perspective. This post will also review what abortion pill reversal is not since inaccurate information abounds online about abortion pill reversal. While this topic is controversial, the facts can help you decide whether abortion pill reversal may be right for you.

What is Abortion Pill Reversal?

Abortion pill reversal involves taking a hormonal treatment after the first dose of an at-home abortion pill regimen. 

What is the process of an at-home abortion?

Typically, at-home abortion requires dosing mifepristone to yourself at home 24 to 48 hours before taking a dose of misoprostol. That waiting period timeframe between the mifepristone and misoprostol requires women to pay attention to their bodies and time the second dose of at-home abortion treatment appropriately to end pregnancy. 

How does abortion pill reversal work medically?

Reversing the hormonal effects of mifepristone (the first pill in the at-home abortion treatment sequence) can be done successfully using progesterone, which is a hormone that can be given via injectable or oral treatment to support pregnancy. This hormone blocks the impact of the prescription mifepristone if taken within the first 72 hours after use of at-home abortion medication. 

Is abortion pill reversal an unproven treatment?

Abortion pill reversal is not an unproven treatment. There is overwhelming evidence that Abortion pill reversal is both scientifically feasible, and supported by clinical experience.  Natural progesterone has been safely used in pregnancy for over five decades. 

Is it safe to use progesterone for abortion pill reversal?

Use of oral progesterone to reverse a medical abortion is also not an unsafe treatment provided that you pursue it with the help of medical professionals to help you understand any side effects you may experience related to taking progesterone after use of mifepristone. Abortion pill reversal is also not a source of increased risk for birth defects if you choose to continue pregnancy. 

Why do some sources discredit the abortion pill reversal? 

While some sources discredit abortion pill reversal citing limited evidence for its effects, there are documented studies showing treatment with progesterone effectively reverses the pregnancy-end impact of medical abortion pill treatment and allows pregnancies to continue. 

Are there possible side effects of abortion pill reversal?

One potential side effect of prescription progesterone use to reverse abortion pill treatment involves risk for heavy bleeding because of the increased progesterone level that results from use of the injectable or oral reversal. But there is already a risk of bleeding with use of at-home abortion medications—meaning the risk for heavy bleeding may be no more than or equal to the risk for vaginal bleeding that occurs with a medical abortion. It is important to listen to your body’s signs and symptoms and to seek the care of experienced medical clinicians who can help you determine what your personal risk for heavy bleeding problems may be with use of abortion pills and abortion pill reversal.

I have already started my abortion-what support options do I have?

If you suspect you are pregnant and you are considering stopping an abortion that you started, know that it is okay to second guess that decision and to want help deciding what to do next. 

Where can I get more information or help?

There are many options for more information, help, and getting advice to make an informed decision that is right for you. You can call 1-800-712-4357 to reach the Option Line or visit their site at OptionLine.org to chat with a consultant and get connected to resources. Locally, Anchor of Hope offers consultation for abortion pill reversal and 24-hour pregnancy support by phone o texto at 920-452-4673 or online at www.anchorofhopewi.org

I have changed my mind about abortion-now what?

If you change your mind about following through on an abortion, a judgement-free consultation can help you decide what is right for you. The earlier you seek out care, you can get answers to your questions and prescription treatment if you choose that route. The Anchor of Hope medical team, staffed with licensed medical professionals offers free, caring treatment to help guide you through options and next steps without judgement.

Sources

  1. Grossman y otros (2015). Continuación del embarazo después de mifepristona y “reversión” del aborto médico en el primer trimestre: una revisión sistemática.Retrieved October 15, 2025 from https://pubmed.ncbi.nlm.nih.gov/26057457/
  1. Delgado y otros. Una serie de casos que detalla la reversión exitosa de los efectos de la mifepristona usando progesterona. Retrieved October 15, 2025 from https://www.heartbeatservices.org/images/pdf/Delgado_et_al__Revisions_-_FINAL_0919.pdf
  1. Sheikh, Z. (23 de abril de 2024). Beneficios y riesgos de la progesterona.Retrieved October 15, 2025 from https://www.webmd.com/vitamins-and-supplements/progesterone-uses-and-risks
  1. Clínica Cleveland. (29 de diciembre de 2022). Progesterona. Retrieved October 15, 2025 from https://my.clevelandclinic.org/health/body/24562-progesterone
  1. Weiser, P. (31 de diciembre de 2024). Mifepristona (mifeprex): usos, efectos secundarios y más. Recuperado el 29 de mayo de 2025 de https://www.webmd.com/drugs/2/drug-20222-325/mifepristone-oral/mifepristone-oral/details
  1. Killoran, K. (1 de febrero de 2023). ¿Funciona realmente la ‘reversión del aborto’?Retrieved October 15, 2025 from https://www.goodrx.com/conditions/abortion/abortion-pill-reversal
  1. Billingsley, A. (Mar. 24, 2023). 9 abortion pill (mifepristone and misoprostol) side effects and how to manage them.Retrieved October 15, 2025 from https://www.goodrx.com/mifepristone/abortion-pill-side-effects
  2. Francis, C. (2025) APR Science Mythys Retrieved October 15, 2025 from: https://aprscience.org/myths/

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