The Nevada Supreme Court has temporarily blocked a law requiring parents to be notified when minors seek an abortion, ruling that the measure is too vague to enforce.

In a unanimous 22-page opinion released Thursday, the court said Planned Parenthood and the Nevada physician challenging the law in state court are likely to succeed on appeal.

The justices ordered the Clark County District Court to block enforcement of the law while the case moves forward.

The statute, first passed in 1985 but only enforced starting last year, requires an unmarried, unemancipated minor to notify a parent or guardian before an abortion.…