After the state Supreme Court's ruling, Planned Parenthood began calling patients to cancel abortion appointments at clinics in Columbia and Kansas City.

The Missouri Supreme Court said a lower-court judge must reevaluate orders that had allowed clinics to resume performing abortions this year.

The Missouri Supreme Court opened the door Tuesday to abortions being halted again in a tumultuous legal saga after voters struck down the state’s abortion ban last November. The state’s top court ruled that a district judge applied the wrong standard in rulings in December and February that allowed abortions to resume in the state for the first time since they were nearly completely halted under a ban that took effect after the U.