Boxes of the drug mifepristone line a shelf at the West Alabama Women's Center in Tuscaloosa, Ala.
Mifepristone is frequently used in combination with misoprostol to end pregnancies.
  • Texas Judge Matthew Kacsmaryk issued a ruling Friday that jeopardizes the availability of a key abortion drug.
  • An antiabortion legal group had sought to revoke or suspend the FDA's approval of the drug mifepristone.
  • Medication abortions have grown in popularity and now account for more than half of all abortions.

A federal judge sided with conservative, anti-abortion activists on Friday and issued an unprecedented ruling that seeks to block the distribution of a key abortion drug, mifepristone.