Objective: This study aimed to investigate the analgesic effect of transcutaneous electrical acupoint stimulation (TEAS) on labor.
Methods: Primiparas with single birth and head presentation were enrolled in this study and randomly divided into three groups: TEAS group (n = 76), patient-controlled epidural analgesia (PCEA) group (n = 75), and control group without any analgesic measures (n = 78).
Results: Compared with the control group, the visual analog scores of the TEAS group and the PCEA group at each time point decreased (P < 0.