| Methods |
A randomised controlled trial |
| Participants |
44 women with PCOS were recruited between June 2005 and June 2007 from an Obstetrics and Gynaecology clinic in New Dehli, India |
| Interventions |
22 participants underwent unilateral ovarian drilling and 22 underwent bilateral ovarian drilling. The number of drilling sites in each ovary was limited to 5 |
| Outcomes |
The clinical and biochemical response, ovulation and menstrual regularity over a follow‐up period of 1 year were compared. Tubo‐ovarian adhesion rate was compared during caesarean section or during repeat laparoscopy |
| Notes |
Funding source: Not stated
Declarations of interest: "None". |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Random sequence generation (selection bias) |
Unclear risk |
Not stated |
| Allocation concealment (selection bias) |
Unclear risk |
Mentioned as randomly allocated but not stated how |
| Blinding of participants and personnel (performance bias)
All outcomes |
High risk |
Not stated but not possible with study design |
| Blinding of outcome assessment (detection bias)
All outcomes |
Unclear risk |
Not stated |
| Incomplete outcome data (attrition bias)
All outcomes |
Low risk |
No attrition |
| Selective reporting (reporting bias) |
Low risk |
None detected |
| Other bias |
Low risk |
None detected |
