The most effective abortion pill method approved by the FDA uses two medicines: mifepristone and misoprostol.

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Right now, because of legal limits on mifepristone, Cambridge Reproductive Health Consultants cannot mail mifepristone. We are mailing misoprostol-only. If you want both medicines, you can still get them by visiting an abortion clinic.

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What’s the difference between the two Options?

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Option 1: Mifepristone + Misoprostol

This is the most effective option.

• Works for 95 to 98 out of 100 people

• Usually works faster

• Has fewer side effects

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How it works:

1. Mifepristone stops the pregnancy from growing by blocking a hormone called progesterone. Most people do not feel much after taking mifepristone.

2. Misoprostol causes the uterus to cramp and empty, which ends the pregnancy.

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Option 2: Misoprostol Only

This is also a safe option, but it is slightly less effective.

• Works for about 90 to 95 out of 100 people

• Takes more medicine

• May cause more side effects

• Can take longer to work

 

Possible side effects include:

• Diarrhea

• Chills

• Fever

• Cramping and bleeding

 

​​These side effects can happen with both options, but they are often stronger when using misoprostol alone because a larger amount of misoprostol is needed.

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Is Misoprostol-Only Safe? Does It Work?

 

​​Yes. Misoprostol-only is a safe and well-studied way to have an abortion. It is used by people around the world.

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While it may cause more side effects and is slightly less effective than using both medicines together, it is still a recommended option when mifepristone is not available.