- Conditions
- Labor Pain, Pregnancy
- Interventions
- combined spinal epidural analgesia, late analgesia (systemic)
- Procedure
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 1,026 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2001 – 2008
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
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