Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Postoperative amenorrhoea
Systematic review	340 women 3 RCTs in this analysis	Postoperative amenorrhoea 12 months with gonadorelin analogues (goserelin or decapeptyl) with danazol Absolute results not reported	RR 1.18 95% CI 0.18 to 1.57		Not significant