Comparing STI Prevention Methods by Mechanism

Hover a bar for how it works, or tap a bar to pin a fuller explanation below.
Each bar shows how a prevention method lowers risk, not a ranking of which is best. Hover or tap any bar to read the mechanism. This chart is informational; personal health choices are made with a trusted adult or healthcare provider.
Educational, qualitative scale (Indirect / Partial / Substantial / Full risk reduction). Simplified from public-health guidance.