Abortion Pills: Safety, Risks, and What to Know

If you are considering abortion pills, it is normal to have questions about safety. You may be wondering what side effects to expect, whether there are serious risks, or how to know when you need medical care.

Medication abortion is an established medical option for ending an early pregnancy. The commonly used combination of mifepristone and misoprostol is highly effective, but like any medical treatment, it has expected effects, potential risks, and situations where additional medical care may be needed.

Knowing what is normal—and what is not—can help you feel more prepared and know when to contact a healthcare professional.

Are Abortion Pills Safe?

Medication abortion is considered safe and effective when an appropriate regimen is used for the pregnancy duration and the person has appropriate clinical assessment, accurate information, and access to medical care if needed.

The combination of mifepristone and misoprostol is widely used for medication abortion. Mifepristone blocks progesterone, a hormone needed to maintain pregnancy, while misoprostol causes the uterus to contract and empty.

The World Health Organization recognizes medication abortion as an established method of abortion care and recommends telemedicine as an option for delivering medical abortion care in appropriate settings. WHO also recognizes self-management of medical abortion before 12 weeks when people have accurate information, quality-assured medicines, support from trained healthcare workers, and access to a healthcare facility or referral services if needed.

The exact care process can vary depending on where you live, how far along the pregnancy is, your health history, and local requirements.

How Effective Are Abortion Pills?

Medication abortion with mifepristone and misoprostol is highly effective, but it does not work in every case.

The likelihood of an ongoing pregnancy increases as pregnancy approaches 10 weeks. In some cases, the abortion may be incomplete or the pregnancy may continue, meaning additional medication or a procedure may be needed.

For this reason, bleeding and cramping alone should not be considered proof that the abortion is complete. Follow-up or another method of confirming completion may be recommended depending on your circumstances.

What Should You Expect After Taking Abortion Pills?

The effects of medication abortion can vary from person to person.

After misoprostol, it is common to experience:

• Cramping, which may be stronger than menstrual cramps
• Vaginal bleeding, which may be heavier than a normal period
• Passing blood clots or pregnancy tissue
• Nausea or vomiting
• Diarrhea
• Headache or dizziness
• Chills or a temporary rise in temperature

Bleeding and cramping happen because misoprostol causes the uterus to contract and empty. These symptoms are expected for many people, but they do not by themselves confirm that the abortion is complete.

Your healthcare professional should provide information about what to expect, how to manage pain, and what symptoms should prompt you to seek care.

What Are the Risks of Abortion Pills?

Serious complications from medication abortion are uncommon, but they can occur.

Possible complications include:

Incomplete abortion

Sometimes the pregnancy does not completely pass. Additional medication or a procedure may be needed depending on the circumstances.

Ongoing pregnancy

In some cases, the pregnancy continues after medication abortion. Further medical assessment is needed to determine the next steps.

Heavy bleeding

Some bleeding is expected, but very heavy bleeding can require medical treatment.

Infection

Infection is uncommon, but it can occur. Persistent fever, worsening pain, feeling very unwell, or other concerning symptoms should be evaluated by a healthcare professional.

Ectopic pregnancy

An ectopic pregnancy develops outside the uterus, most commonly in a fallopian tube. Abortion pills do not treat an ectopic pregnancy.

Severe or one-sided abdominal pain, fainting, significant dizziness, or other concerning symptoms require prompt medical evaluation.

FDA patient information specifically warns that abdominal pain or feeling unwell more than 24 hours after misoprostol can be a sign of infection or another problem, including ectopic pregnancy.

When Should You Seek Medical Care?

Contact a healthcare professional promptly if you have symptoms that concern you or do not improve as expected.

Seek urgent medical attention if you experience:

• Very heavy bleeding, such as soaking through two thick, full-size sanitary pads per hour for two consecutive hours
• A fever of 100.4°F (38°C) or higher that lasts for more than 4 hours
• Severe or persistent abdominal pain that is not relieved by medication
• Feeling very weak, faint, or seriously unwell
• Severe symptoms that continue or worsen after treatment
• Symptoms that may indicate an ectopic pregnancy, such as severe abdominal pain, fainting, or significant dizziness

FDA advises contacting a healthcare professional promptly for heavy bleeding meeting the two-pads-per-hour threshold or a fever of 100.4°F or higher lasting more than four hours.

If you cannot reach your healthcare professional and you have an emergency, go to the nearest emergency department or seek your local emergency medical service.

Who May Need Additional Medical Assessment?

Medication abortion is not appropriate for everyone without further assessment.

A healthcare professional may need to consider your medical history, pregnancy duration, medications, and other factors before determining whether medication abortion is appropriate.

Examples of situations that may require additional assessment include:

• Possible or confirmed ectopic pregnancy
• An intrauterine device (IUD) currently in place
• Certain bleeding disorders or use of anticoagulant medication
• Chronic adrenal failure
• Long-term systemic corticosteroid treatment
• Allergy or intolerance to mifepristone or misoprostol
• Certain other medical conditions or medications

ACOG specifically identifies suspected or confirmed ectopic pregnancy, an IUD in place, chronic adrenal failure, long-term systemic corticosteroid therapy, certain bleeding disorders or anticoagulant use, and known allergy or intolerance to the medications among situations where medication abortion is not recommended without appropriate clinical management.

This is why an eligibility or medical review can be an important part of abortion care.

Can Abortion Pills Be Taken at Home?

For some people with an early pregnancy, medication abortion can be completed outside a healthcare facility, including at home.

WHO recommends self-management of medical abortion before 12 weeks as an option in appropriate circumstances and notes that there is more evidence for self-management before 10 weeks. The guidance also emphasizes access to accurate information, quality-assured medicines, trained support, and referral care when needed.

Whether medication abortion at home is appropriate for you depends on factors such as pregnancy duration, medical history, medications, local requirements, and access to medical care.

Being able to take medication at home does not mean that medical guidance or access to care is unimportant.

Do You Need a Clinic Visit or Ultrasound?

Not necessarily.

A physical examination or ultrasound may be recommended depending on your symptoms, medical history, pregnancy dating, or concern about ectopic pregnancy. Requirements can also differ depending on where you live.

After an uncomplicated medication abortion, routine in-person follow-up is not always necessary. ACOG notes that follow-up may be performed through clinical assessment, telephone contact, pregnancy testing, blood testing, or ultrasound when appropriate.

Your healthcare professional can help determine which type of follow-up is appropriate for you.

How Do You Know If the Abortion Is Complete?

Bleeding, cramping, and passing tissue are common during medication abortion, but these symptoms alone cannot always confirm that the pregnancy has ended.

Depending on your circumstances, completion may be assessed through:

• A follow-up conversation with a healthcare professional
• Pregnancy testing at the appropriate time
• Blood testing
• Ultrasound when medically indicated

ACOG notes that remote follow-up can include telephone assessment and, when appropriate, an at-home urine pregnancy test around four weeks after treatment.

Follow the instructions provided by your healthcare professional because the timing and type of follow-up can vary.

Can Abortion Pills Affect Future Fertility?

Current evidence does not show that medication abortion reduces future fertility.

ACOG states that medication abortion does not have an adverse effect on future fertility or future pregnancy outcomes.

Fertility can return quickly after an abortion. You can become pregnant again before your next menstrual period.

If you do not want another pregnancy, ask a healthcare professional about contraception options that may be appropriate for you.

What About Emotional Effects?

People can have different emotional experiences after an abortion.

Some people feel relief, while others may experience sadness, uncertainty, or a mixture of emotions. There is no single emotional response that everyone should expect.

If you are struggling emotionally or feel that you need support, consider talking with someone you trust or a qualified healthcare professional.

What Makes Abortion Pill Care Safer?

A safer care process includes more than simply having access to medication.

Before taking abortion pills, make sure you understand:

• How far along the pregnancy is
• Whether medication abortion is appropriate for your circumstances
• What medications you are taking and whether they could affect treatment
• How the medications should be used according to your healthcare professional's instructions
• What bleeding, cramping, and other effects may be expected
• How pain and other symptoms can be managed
• How to contact a healthcare professional if you have questions
• How completion of the abortion will be assessed
• Where to seek urgent medical care if necessary

If medication is obtained through an online service, it is also important to understand who is providing the clinical assessment, whether the medicines are quality-assured, what instructions and support are provided, and what happens if you need additional care.

WHO emphasizes access to scientifically accurate information, quality-assured medicines, trained support, and referral services as important components of quality abortion care.

Frequently Asked Questions

Are abortion pills safe?

Medication abortion is an established and generally safe method of ending an early pregnancy when used appropriately. Serious complications are uncommon, but they can occur. Appropriate clinical assessment, accurate information, quality-assured medication, and access to medical care are important parts of safe care.

How much bleeding is normal after abortion pills?

Bleeding can be heavier than a normal period, particularly after misoprostol. However, very heavy bleeding requires medical attention. Contact a healthcare professional if you soak through two thick, full-size sanitary pads per hour for two consecutive hours.

How long do cramps last?

Cramping is common after misoprostol and may be strong for a period of time. The experience varies between individuals. Severe or persistent pain that does not improve with medication should be evaluated by a healthcare professional.

Can abortion pills cause infertility?

Current evidence does not show that medication abortion causes infertility or reduces future fertility.

Do I need an ultrasound after taking abortion pills?

Not everyone needs an ultrasound. Depending on your circumstances, completion can be assessed through symptoms and follow-up, pregnancy testing, blood testing, or ultrasound. An ultrasound may be appropriate when there are specific medical concerns or when recommended by your healthcare professional.

Can I take abortion pills at home?

For some people with an early pregnancy, medication abortion can be completed at home. WHO recognizes self-management as an option before 12 weeks when appropriate support, accurate information, quality-assured medicines, and access to referral care are available.

What if the abortion does not completely work?

An incomplete abortion or ongoing pregnancy can sometimes occur. Depending on the clinical situation, additional medication, expectant management, or a procedure may be considered. A healthcare professional can help determine the appropriate next step.

When should I seek emergency care?

Seek urgent medical attention for very heavy bleeding, severe or persistent pain, prolonged fever, fainting, significant weakness, or other symptoms that make you feel seriously unwell. FDA specifically advises prompt medical attention for heavy bleeding meeting the two-pads-per-hour threshold or a fever of 100.4°F (38°C) or higher lasting more than four hours.

What to Know Before Taking Abortion Pills

Abortion pills are an established option for ending an early pregnancy, but they are still medications and should be approached with appropriate medical information and care.

Before treatment, make sure you know:

1. How far along the pregnancy is.
Pregnancy duration can affect which abortion options are appropriate.

2. Whether medication abortion is appropriate for you.
Your health history, medications, symptoms, and other factors may matter.

3. What to expect.
Cramping and bleeding are common after misoprostol. They can be stronger than a normal period.

4. What is not normal.
Very heavy bleeding, severe or persistent pain, prolonged fever, fainting, or feeling seriously unwell requires medical attention.

5. How completion will be confirmed.
Bleeding and cramping alone do not prove that the abortion is complete.

6. How to get help if you need it.
You should know how to contact your healthcare professional and where to seek urgent medical care if necessary.

How Pill Access Supports Abortion Pill Care

Pill Access facilitates access to abortion pill care by connecting individuals with licensed healthcare professionals.

Clinical decisions about whether medication abortion is appropriate are made independently by the licensed healthcare professionals involved in care. The care process may include health information review, eligibility assessment, medical guidance, medication fulfillment, and follow-up support, depending on the individual's circumstances and applicable requirements.

The Bottom Line

Medication abortion is a well-established option for ending an early pregnancy. Most people experience expected effects such as bleeding and cramping, while serious complications are uncommon.

The most important part is knowing the difference between expected symptoms and warning signs. Appropriate clinical assessment, quality-assured medication, clear instructions, follow-up when appropriate, and access to medical care can help you navigate the process safely.

If you are considering abortion pills, you deserve clear information about both the benefits and the risks—not fear, and not unrealistic promises.

Sources & References

• World Health Organization (WHO). Abortion care guideline, 2nd edition. 2025.
  Guidance on medication abortion, self-management, quality of care, service delivery, and evidence-based abortion care. WHO — Abortion Care Guideline, 2nd Edition
• U.S. Food and Drug Administration (FDA). Mifeprex (mifepristone) Medication Guide.
  Information on expected effects, important safety warnings, heavy bleeding, fever, infection, and when to contact a healthcare professional. FDA — Mifeprex Medication Guide
• American College of Obstetricians and Gynecologists (ACOG). Medication Abortion Up to 70 Days of Gestation. Practice Bulletin No. 225.
  Evidence-based information on medication abortion effectiveness, eligibility, risks, follow-up, and clinical considerations. ACOG — Medication Abortion Up to 70 Days of Gestation
• American College of Obstetricians and Gynecologists (ACOG). Induced Abortion.
  Patient information covering medication abortion, expected symptoms, follow-up, and potential complications. ACOG — Induced Abortion