Index/Topics/Condom Use

Condom Use

Importance of using condoms during anal sex to prevent STI transmission

Fact-Checks

7 results
Jan 18, 2026
Most Viewed

How do frequency and specific sexual practices (e.g., fisting, chemsex) quantitatively change FI risk in longitudinal studies?

Longitudinal and cohort research consistently show that both the frequency of high‑risk sexual practices and participation in chemsex are associated with substantially higher odds of acquiring bloodbo...

Feb 1, 2026
Most Viewed

What lubricants, tools, and hygiene practices minimize risk while increasing anal capacity?

can be safe and more comfortable when chosen lubricants, appropriate tools, and careful hygiene are used alongside clear communication and slow preparation; are commonly recommended while oil-based lu...

Jan 26, 2026
Most Viewed

How do condoms and dental dams compare in real‑world use for preventing oral STI transmission?

have a long track record of reducing transmission of , including when used during , while are a logical, under‑studied analogue that experts and clinics recommend but for which direct effectiveness da...

Jan 20, 2026

What medical advice exists for safe anal penetration sizes?

Medical guidance does not prescribe a single "safe" anal penetration size; instead clinicians and sexual-health educators emphasize progressive, individualized approaches — start very small, use abund...

Feb 7, 2026

Is polyurethane condom nearly or just as good as latex condoms in effectiveness

Polyurethane condoms are a useful non‑latex alternative that can provide , but the preponderance of randomized trials and reviews finds higher rates of breakage and slippage with polyurethane—meaning ...

Jan 5, 2026

How does consistent PrEP use change the per-act HIV transmission risk for receptive anal sex?

Consistent use of oral or injectable PrEP cuts the per-act risk of acquiring HIV from receptive anal sex from roughly 138 infections per 10,000 exposures (about 1.38% per act) to on the order of 1 per...

Jan 5, 2026

What is the per-act HIV transmission risk for receptive versus insertive anal sex?

Per-act estimates used by major public-health bodies place the risk of HIV transmission from a single act of condomless anal sex at roughly 1.38% (138 per 10,000) for the receptive partner and about 0...