U.S., Feb. 12 -- ClinicalTrials.gov registry received information related to the study (NCT06819579) titled 'Exploring the Optimal Concentration of Lidocaine Test Dose for Labor Analgesia' on Jan. 24.

Brief Summary: This study aims to compare the analgesia effects and side effects of different concentrations of test dose lidocaine (1.5% lidocaine 3 ml, 1.0% lidocaine 5 ml, 0.5% lidocaine 10 ml) in labor analgesia, so as to provide a scientific basis for the clinic al practice of labor analgesia.

Study Start Date: Feb. 01

Study Type: INTERVENTIONAL

Condition: Labor Pain

Intervention: DRUG: 1.5% Lidocaine

After successful epidural puncture, 3ml of 1.5% lidocaine was injected as a test dose

DRUG: 1.0% Lidocaine

After successful epidu...