Barbara Sibbald
Extract
Three years after the US government approved mifepristone (Mifeprex or RU-486), use of the so-called “abortion pill” has increased 70%. . . . Mifepristone, a progesterone blocker, induces abortion in women who are up to 8 weeks pregnant.
Sibbald B. “Abortion pill” use. Can Med Assoc J. 2004 Sep 28;171(7):718.