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| Methods | Unblinded RCT | |
| Participants | 116 female sex workers in Kenya | |
| Interventions | 1000mg N‐9 sponge and placebo products | |
| Outcomes | Gonorrhoea and chlamydia and genital lesions and HIV | |
| Notes | All women received male condoms, STI treatment and condoms | |
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Allocation concealment (selection bias) | Unclear risk | D ‐ Not used |
