Kutlu 2010.

Methods	Single centre, randomised trial
Participants	252 infertile couples having ART treatments at Medicana Camlica Hospital, Istanbul, Turkey. Subgrouped by prognosis: poor (n=113) or good (n=139)
Interventions	AH was performed by laser method AH: 73 women aged under 35 years, 58 women aged 35 or over Control: 66 women aged under 35, 55 women aged 35 or over
Outcomes	Clinical pregnancy rate, implantation rate
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	Randomisation was performed in a computerised manner
Allocation concealment (selection bias)	Unclear risk	Not stated within the text
Blinding (performance bias and detection bias) All outcomes	Unclear risk	Not stated within the text
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	ITT analysis unclear
Selective reporting (reporting bias)	High risk	Original protocol not viewed. Live birth not reported