Danco Laboratories, which markets RU-486 as Mifeprex, says more than 1.2 million U.S. women have used Mifeprex to terminate a pregnancy by blocking the hormone progesterone – needed to continue a pregnancy. After swallowing three Mifeprex pills in their healthcare provider’s office, women return two days later to take two tablets of misoprostol.

~UPI.com, September 28