Fraterelli 2008.

Methods	Randomised controlled trial of fertility patients in the US; abstract only
Participants	1000 patients randomised to five arms: needle acupuncture (n = 200), laser acupuncture (n = 202), sham laser acupuncture (n = 198), relaxation (n = 203) and non‐treatment group (n = 197). No demographics breakdown given but stated no difference between groups
Interventions	Two treatment arms (laser and needle acupuncture) and three control arms (sham laser acupuncture, relaxation and non‐treatment). For the purpose of this meta‐analysis, only the results from the needle acupuncture and no treatment groups were used
Outcomes	Chemical and clinical pregnancy rate
Assisted conception protocols	Protocol breakdown not provided
Notes	Only needle acupuncture versus control are relevant to this review
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Abstract only, no randomisation details given
Allocation concealment (selection bias)	Unclear risk	Abstract only, no details given
Blinding (performance bias and detection bias) All outcomes	High risk	Control group received no treatment
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	not stated if all participants randomized completed the study
Selective reporting (reporting bias)	Unclear risk	No LBR outcomes reported.
Other bias	Low risk	None known