500
Participants
Start Date
July 31, 2010
Primary Completion Date
July 31, 2011
Study Completion Date
July 31, 2011
Neuraxial analgesia
Neuraxial analgesia will be given at any time if the parturient requested analgesia
Non-neuraxial analgesia
No neuraxial analgesia will be given to those who will not want to an analgesia
Nanjing Maternity and Child Health Care Hospital, Nanjing
Lead Sponsor
Nanjing Medical University
OTHER