The goal of this clinical trial is to compare the efficiency of identifying epidural space with either the Epifaith® syringe or the plastic syringe in parturients. The main questions it aims to answer are: * Whether it consume less time identifying epidural space with the Epifaith® syringe * Whether the usage of the Epifaith® syringe decrease the complication rate and failure of labor analgesia Participants will receive labor analgesia either with the Epifaith® syringe or the plastic syringe conducted by experienced resident doctors.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
300
Perform epidrual analgesia for parturients between 18 to 45 year-old
Time consumed to identify the epidural space
Starting on the moment which the syringe be attached to the needle
Time frame: During the procedure
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