Planned Parenthood vs. Casey
Sandra Day O’Connor has done many important things. Her biggest case came 11 years into her time on the Supreme Court. Planned Parenthood vs. Casey was a case about abortion rights in the United States. Women were not allowed to choose if they wanted an abortion. Sandra Day O’Connor, Anthony Kennedy, and David Souter wrote a plurity opinion together and the Supreme Court upheld the Thirteenth Amendment, which protects a woman's right to choose to have an abortion prior to viability