Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Pain
Systematic review	196 women 3 RCTs in this analysis	Pain relief binary data (numbers reporting good, excellent or complete pain relief; further individual definition not supplied) with NSAIDs (2 RCTs ibuprofen, 1 RCT naproxen) with paracetamol Absolute results not reported	OR 1.89 95% CI 1.05 to 3.43 P = 0.035	Small effect size	NSAIDs