Ghafarnegad 2010.

Methods	Randomised trial conducted in Iran Timing: not stated
Participants	100 infertile, clomiphene‐resistant women with PCOS
Interventions	Gonadotrophin (n = 50), versus Laparoscopic ovarian electrocautery (n = 50) Follow‐up for 4 months
Outcomes	Pregnancy, live birth
Notes	Conflict of interest: not stated Clinical trial registration number: not stated
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	Quote: "randomised". Awaiting further details in translation but numbers are equal in both groups so probably satisfactory
Allocation concealment (selection bias)	Unclear risk	No details
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	No details
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	No details
Incomplete outcome data (attrition bias) All outcomes	Low risk	All women accounted for at trial end and intention‐to‐treat data reported
Selective reporting (reporting bias)	Unclear risk	We could not retrieve the original protocol
Other bias	High risk	Only abstract available