100
Participants
Start Date
June 14, 2025
Primary Completion Date
August 1, 2025
Study Completion Date
September 10, 2025
High-concentration Ropivacaine
After the first pump fluid is depleted, switch to 0.12% ropivacaine to continue labor analgesia.
Low concentration ropivacaine group
After the first pump fluid is depleted, switch to 0.12% ropivacaine to continue labor analgesia.
Chengdu Jinjiang District Women & Children Health Hospital,, Chengdu
Chengdu Jinjiang Maternity and Child Health Hospital
OTHER