276
Participants
Start Date
November 15, 2022
Primary Completion Date
August 30, 2023
Study Completion Date
August 30, 2023
epidural needle
the loading dose for labor analgesia administrated via epidural needle before the catheter insertion
epidural catheter
the loading dose for labor analgesia administrated via epidural catheter
Department of Anesthesiology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou
Women's Hospital School Of Medicine Zhejiang University
OTHER