AUSTIN, Texas (AP) — The Texas Supreme Court on Friday dealt essentially a final blow to abortion clinics' best hopes of stopping a restrictive law that has sharply curtailed the number of abortions in the state since September and will now fully stay in place for the foreseeable future.

The ruling by the all-Republican court was not unexpected, but it slammed the door on what little path forward the U.S. Supreme Court had allowed Texas clinics after having twice declined to stop a ban on abortions after roughly six weeks of pregnancy.

It spells the coming end to a federal lawsuit that abortio...