Roe v. Wade, 410 U.S. 113, was a landmark decision of the U.S. Supreme Court in which the Court ruled that the Constitution of the United States protected the right to have an abortion prior to the point of fetal viability. From Wikipedia
The decision overturns injunctions that had briefly permitted abortions under the November amendment, returning the case to a lower court for reconsideration under a stricter legal test.