Mifepristone has had a tumultuous history since the US Food and Drug Administration approved the drug for medical termination of intrauterine pregnancy. Antiabortion groups have sought to restrict its use and have it removed from the market while medical groups have pushed the agency to make it more accessible.
The Mifepristone Story So Far: Tracing The Origins Of The Legal Fight Over The Abortion Pill
Timeline depicts the 27-year history of mifepristone from new drug application submission through an advisory committee vote, REMS changes, and legal challenges. With the product headed back to the Supreme Court, FDA's approval authority in general is also on the docket.

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