In 1973, the U.S. Supreme Court ruled that a woman has a fundamental right to terminate an unwanted pregnancy through abortion. Although individual states may regulate this right, to date, a woman may still legally obtain an abortion in the United States.
Mark A. Hernandez, RU-486; Safe? Effective? Banned! Why Would the Food and Drug Administration Ban a Drug With Such Potential?, 11 Penn St. Int'l L. Rev. 653 (1993).