Sen Sharma 2017.

Study characteristics
Methods	Random controlled trial
Participants	Women with PCOS attending Infertility clinic. Timed intercourse. Mean age unknown Inclusion criteria: infertile women with PCOS resistant to treatment with 100 mg CC for 5 days per cycle with persistent anovulation (N = 62) Exclusion criteria: Women with hyperprolactinaemia, thyroid dysfunction or abnormal semen parameters
Interventions	1. CoQ10 from day 1 of cycle (60 mg thrice daily) + CC 100 mg from day 2 to day 6 of cycle + FSH 75 IU intramuscularly on days 3, 5, 7 and 9 (N = 32) 2. CC 100 mg from day 2 to day 6 + FSH 75 IU intramuscularly on days 3, 5, 7 and 9 of cycle (no treatment) (N = 30)
Outcomes	Size of matured follicle Endometrial thickness Clinical pregnancy Miscarriage rate
Notes	Conference abstract Location: Divisional Railway Hospital, Alipurduar Junction, West Bengal, India Timeframe: Unknown Trial registration number:Unknown Informed consent: Unknown Ethical approval: Unknown Sample size power calculation: Unknown Funding: Unknown Conflict of interests: Unknown ITT: Unknown Author email: Unknown. Dr Debjani SenSharma, unable to find contact details after database, Google and facebook search
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Unknown. Women with "persistent anovulation were randomized either to..."
Allocation concealment (selection bias)	Unclear risk	Unknown
Blinding (performance bias and detection bias) All outcomes	High risk	The control is no treatment
Incomplete outcome data (attrition bias) All outcomes	Low risk	No loss to follow‐up
Selective reporting (reporting bias)	Unclear risk	Trial registration number unavailable. Does report clinical pregnancy but not live birth
Other bias	Unclear risk	Conference abstract ‐ baseline characteristics unclear