. Author manuscript; available in PMC: 2014 Nov 16.

Published in final edited form as: Cochrane Database Syst Rev. 2010 Sep 8;(9):CD007396. doi: 10.1002/14651858.CD007396.pub2

Analysis 26.1. Comparison 26 PCA nalbuphine versus PCA pethidine, Outcome 1 Pain relief in labour measured in the postnatal period (rated good or excellent).

Review: Parenteral opioids for maternal pain management in labour

Comparison: 26 PCA nalbuphine versus PCA pethidine

Outcome: 1 Pain relief in labour measured in the postnatal period (rated good or excellent)