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Mifepristone: Dispelling Myths and Advocating for Access

Mifepristone has been at the center of heated debates, with anti-abortion activists calling for a ban on the medication. These activists argue that mifepristone is dangerous and causes abortions. In this article, we will analyze the claims surrounding mifepristone, provide accurate information about the drug, and make a case for why it should be allowed.

What is Mifepristone?

Mifepristone, also known as RU-486, is a medication used in combination with misoprostol to induce a medical abortion within the first ten weeks of pregnancy. The drug works by blocking the hormone progesterone, which is essential for maintaining a pregnancy. When followed by misoprostol, the uterus contracts and expels the pregnancy tissue. Mifepristone has been approved by the FDA since 2000 and has been used safely by millions of women worldwide.

Myth 1: Mifepristone is dangerous

Mifepristone has undergone rigorous testing and has been deemed safe by the FDA and the World Health Organization (WHO). The FDA has confirmed that the medication's benefits outweigh its risks when used correctly. The vast majority of women who use mifepristone experience no serious complications.

Like any medication, mifepristone can have side effects, but these are generally mild and manageable. Common side effects include bleeding, cramping, nausea, and fatigue. Serious complications are rare and can be effectively managed with appropriate medical care.

Myth 2: Mifepristone causes abortions

Mifepristone does not cause abortions. It is used in combination with misoprostol to induce a medical abortion. Misoprostol is a prostaglandin that causes the uterus to contract and expel the pregnancy tissue. While it is true that mifepristone is used as part of this process, it is essential to recognize that medical abortions are a safe and legal option for many women (Autry & Wadhwa, 2022). Medical abortions have a success rate of over 95%, and complications are rare.

Image of a 6-week old fetus inside the mother's womb, umbilical cord attached to placental wall.
Image Source: The Nemours Foundation (2020)

Note: The average termination is likely between 6-8 weeks of development as most medically-induced abortions occur before nine weeks (Ranji et al., 2023). Many graphics on road signs, usually sponsored by churches and political groups, tend to show a baby that looks fully developed at 6 weeks.

Why Mifepristone Should be Allowed

Access to safe and legal abortion is a fundamental reproductive right, and mifepristone plays a crucial role in providing women with this option. Restricting access to mifepristone would disproportionately impact low-income women and those living in rural areas, who may struggle to access in-clinic abortions.

Furthermore, restricting access to mifepristone could potentially lead to an increase in unsafe abortions. Women who are unable to access safe abortion care may resort to dangerous methods, putting their health and lives at risk.

Other uses of mifepristone should also be considered before allowing a complete ban as a number of Republicans have been pushing for (Nuekam, 2023).

  1. Cushing's syndrome: This is a hormonal disorder caused by prolonged exposure to high levels of cortisol, a stress hormone. Mifepristone works as a glucocorticoid receptor antagonist, meaning it blocks the action of cortisol. This can help reduce the symptoms of Cushing's syndrome, such as high blood pressure, high blood sugar levels, and bone loss. Mifepristone is often used when surgery, radiation, or other medical therapies are not suitable or have not been effective.

  2. Uterine leiomyomas (fibroids): These are non-cancerous growths that develop in the muscular wall of the uterus. Mifepristone has shown potential in managing uterine fibroids due to its anti-progestin effects. By blocking the action of progesterone, mifepristone can help reduce the size of fibroids and alleviate symptoms such as heavy menstrual bleeding and pelvic pain. However, it is essential to note that mifepristone is not a first-line treatment for uterine fibroids, and its use is typically considered when other treatments have failed or are not appropriate.

  3. Emergency contraception: In some cases, mifepristone has been used as a single-dose emergency contraceptive to prevent pregnancy after unprotected intercourse. However, it is important to note that mifepristone is not the same as the "morning-after pill" and is not the preferred option for emergency contraception ("The Difference between the Morning-after Pill and the Abortion Pill", 2016). The most commonly used emergency contraceptive is levonorgestrel (Plan B One-Step, Take Action, and others).

  4. Treatment of endometriosis: Endometriosis is a condition where the tissue that lines the uterus grows outside the uterus, causing pain and other complications. Mifepristone's anti-progestin effects may help alleviate the symptoms of endometriosis by reducing the growth and inflammation of endometrial tissue. However, more research is needed to establish its effectiveness and safety in treating this condition.

  5. Antidepressant augmentation: There is some preliminary evidence to suggest that mifepristone may have potential as an adjunctive treatment for major depressive disorder, particularly in patients who have not responded to conventional antidepressants. This application is based on mifepristone's ability to block the effects of cortisol, which has been implicated in the pathophysiology of depression. However, more research is needed to determine its effectiveness and safety in this context. At current, the research hasn't proven efficacy in humans (Nandam et al., 2020; Nayana J et al., 2022).


Mifepristone is a safe and effective medication that plays a vital role in providing women with access to medical abortion. Misconceptions about the drug's safety and purpose must be dispelled to ensure that women can continue to access this essential reproductive healthcare option. Banning mifepristone would not only infringe upon women's reproductive rights but also put their health and lives at risk.


Autry, B. M., & Wadhwa, R. (2022, May 8). Mifepristone.; StatPearls Publishing.

Nandam, L. S., Brazel, M., Zhou, M., & Jhaveri, D. J. (2020). Cortisol and major depressive disorder—translating findings from humans to animal models and back. Frontiers in psychiatry, 10, 974.

Nayana J, B.S. Shankaranarayana Rao, & B.N. Srikumar. (2022). Mifepristone’s effects on depression- and anxiety-like behavior in rodents. Steroids, 184, 109058–109058.

‌Neukam, S. (2023, April 12). 69 Republicans ask appeals court to allow ban on abortion pill to go forward. The Hill; The Hill. appeals-court-abortion-pill-texas

Ranji, U., Diep, K., & Salganicoff, A. (2023, January 20). Key Facts on Abortion in the United States. KFF. the-united-states/

‌The Difference Between the Morning-After Pill and the Abortion Pill. (2016).



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