AUSTIN, Texas (NEWSnet/AP) — The Texas Supreme Court on Friday night put on hold a lower court ruling that approved an emergency abortion for a pregnant woman.

It's the latest step in a challenge to one of the most restrictive bans in the U.S.

The order by the all-Republican court came more than 30 hours after Kate Cox, a 31-year-old mother of two from the Dallas area, received a temporary restraining order from a lower court judge that prevents Texas from enforcing the state's ban in her specific case.

In a one-page order, the court said it was temporarily staying Thursday's ruling “without regard to the merits."

The case is still pending.

Cox was 20 weeks pregnant this week when she filed what is believed to be the first lawsuit of its kind since the landmark U.S. Supreme Court ruling last year that overturned Roe v. Wade.

Cox learned she was pregnant for a third time in August and was told weeks later that her baby was at a high risk for a condition known as trisomy 18, which has a very high likelihood of miscarriage or stillbirth and low survival rates, according to her lawsuit.

Furthermore, doctors have told Cox that if the baby’s heartbeat were to stop, inducing labor would carry a risk of a uterine rupture because of her two prior cesareans sections, and that another C-section at full term would would endanger her ability to carry another child.

Republican Texas Attorney General Ken Paxton argued that Cox does not meet the criteria for a medical exception to the state's abortion ban, and he urged the state's highest court to act swiftly.

Paxton also warned three hospitals in Houston that they could face legal consequences if they allowed Cox's physician to provide the abortion, despite the ruling from state District Judge Maya Guerra Gamble.

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