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. 2009 Oct 7;2009(4):CD003246. doi: 10.1002/14651858.CD003246.pub2

Hjertberg 1996.

Methods RCT.
Participants 201 women. PROM, primips, GA 36‐42 wks, singleton, cephalic, Bishop score > 5, admission within 3 hrs of PROM.
Interventions IV oxytocin, 12 hrs post‐randomisation. 15 mU increased by 15 mU after an hour, maximum infusion 60 mU 
 vs 
 expectant management x 24 hrs post‐randomisation, then IV oxytocin if still not in labour.
Outcomes C/S, epidural analgesia, instrumental vaginal delivery, Apgar score < 7 at 5 minutes, admission to NICU, maternal antibiotics, neonatal antibiotics.
Notes No mention of randomisation technique. No mention of allocation concealment.
Risk of bias
Bias Authors' judgement Support for judgement
Blinding? 
 Women High risk  
Blinding? 
 clinical staff High risk  
Blinding? 
 outcome assessor High risk