15,000
Participants
Start Date
January 31, 2003
Primary Completion Date
December 31, 2007
Study Completion Date
December 31, 2007
Active phrase epidural analgesia
Continuous epidural analgesia with sufentanil plus ropivacaine
Latent phrase epidural analgesia
Continuous epidural analgesia with sufentanil plus ropivacaine
Nanjing Maternal and Child Health Care Hospital, Nanjing
Lead Sponsor
Nanjing Medical University
OTHER