<prompt> What is the indication for the usage of mifepristone?Ectopic pregnancyFibroid uterusMolar pregnancyHabitual aboion  <response>: Mifepristone, also known as RU486, is an antiprogestin that has been used for treatment of leiomyomas. Mifepristone diminishes leiomyoma volume by approximately half. Mifepristone, in combination with misoprostol or other prostaglandins, is available for the termination of early pregnancy. Ref: Hoffman B.L., Schorge J.O., Schaffer J.I., Halvorson L.M., Bradshaw K.D., Cunningham F.G., Calver L.E. 2012. Chapter 9. Pelvic Mass. In B.L. Hoffman, J.O. Schorge, J.I. Schaffer, L.M. Halvorson, K.D. Bradshaw, F.G. Cunningham, L.E. Calver Eds, Williams Gynecology, 2e. 