A maker of the widely used abortion pill mifepristone asked the Supreme Court on Saturday to block an appellate court ruling that  cut off mail-order access  to the drug just a day earlier, in what was the biggest jolt to abortion policy in the U.S. since the overturning of Roe v. Wade. Danco Laboratories, which is also a defendant in the lawsuit in question, asked to block the New Orleans-based 5th U.S. Circuit Court of Appeals decision while appeals are pending, saying the appellate ruling “injects immediate confusion and upheaval into highly time-sensitive medical decisions.” The appeals court’s unanimous ruling Friday marked a substantial victory for abortion opponents seeking to stem the flow of abortion pills prescribed online, which they view as subverting state bans. It requires that mifepristone be distributed only in person and at clinics, overruling regulations set by the federal Food and Drug Administration.…