The Democratic presidential nominee appeared at a live-streamed event hosted by Oprah Winfrey that was clearly targeted at persuadable women.

The FDA approved mifepristone in 2000 as a safe and effective way to end early pregnancies. The drug, which blocks the hormone progesterone, also primes the uterus to respond to the contraction-causing effect of another drug typically used along with it, misoprostol. The pills are used in more than six in 10 abortions nationally.