. 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 7.4. Comparison 7 Dihydrocodeine 50 mg IM versus pethidine 100 mg IM, Outcome 4 Apgar ≤ 7 at 1 minute.

Review: Parenteral opioids for maternal pain management in labour

Comparison: 7 Dihydrocodeine 50 mg IM versus pethidine 100 mg IM

Outcome: 4 Apgar ≤ 7 at 1 minute