The biggest U.S. Supreme Court Case involving abortion in the post Roe v. Wade era may come down to whether an anti-abortion group and its physician members have been injured by federal drug-distribution regulation they are challenging.

U.S. Solicitor General Elizabeth Prelogar painted the stakes of the Supreme Court case about the abortion drug in stark terms—telling the justices a lower court has restricted “access to mifepristone for every single woman in this country.”