Due to a conservative Christian organization’s legal challenge, a federal judge in Texas has questioned whether mifepristone, an abortion pill approved for safe use over 23 years ago, should remain legal in states with access to abortions. U.S. District Judge Matthew Kacsmaryk, a Trump appointee who has views opposing abortion, raised the question on Wednesday during the first hearing for a legal challenge of the FDA-approved abortion pill.

The Alliance Defending Freedom filed the lawsuit on behalf of conservative medical organizations and four doctors who have treated patients with mifepristone. They claim the regulated accelerated process used by the FDA to approve the abortion pill is not sufficient and the medication is unsafe. As it has been used successfully in the U.S. for more than two decades, legal professionals and scientists are fighting the case, denouncing it as baseless.

The challenge