Writing for the majority, Justice Harry Blackmun grounded the ruling in a constitutional right to privacy, establishing a trimester framework balancing a woman's autonomy against the state's interest in regulating abortion as pregnancy progressed. The decision overturned abortion bans in most states and became one of the most consequential and contested rulings in American legal history, standing for nearly fifty years until it was overturned in 2022.
The plaintiff, known publicly by the pseudonym 'Jane Roe,' was Norma McCorvey, a 25-year-old Texas woman who had sought to terminate a pregnancy and challenged the state's near-total abortion ban. By the time the Court ruled, McCorvey had already given birth and placed the child for adoption—the case had taken nearly three years to reach a decision.
Blackmun reportedly drafted much of the opinion during a working vacation at the Mayo Clinic library, drawing on medical history to argue that abortion restrictions were a relatively recent legal development, not an ancient moral consensus.
The ruling immediately became a flashpoint in American politics, galvanizing an anti-abortion movement that would remain a defining force in conservative politics for decades, while supporters hailed it as a landmark victory for bodily autonomy—a debate the Court's 2022 Dobbs decision reopened by overturning Roe entirely.