Anal intercourse carries a higher risk of HIV transmission than other sexual practices

the verdict

SUPPORTED

the evidence backs this

Recorded sources

3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Extensive epidemiological and meta-analytic evidence consistently demonstrates that anal intercourse carries a significantly elevated per-act risk of HIV transmission compared to other common sexual practices.

The analysis

The retrieved papers, specifically systematic reviews and meta-analyses like Baggaley et al. (2010) and subsequent updates, robustly support the claim that anal intercourse carries a high per-act and per-partner risk of HIV transmission relative to other forms of sexual contact. No papers refute this well-established epidemiological consensus.

Evidence for · 3

HIV transmission risk through anal intercourse: systematic review, meta-analysis and implications for HIV prevention

Recorded source metadata

R. Baggaley, R. White, M. Boily. HIV transmission risk through anal intercourse: systematic review, meta-analysis and implications for HIV prevention. 2010. https://doi.org/10.1093/ije/dyq057

This systematic review and meta-analysis establishes that unprotected receptive anal intercourse carries a high per-act and per-partner risk of HIV transmission.

Source citation format

See more details

More for · 2

Does per-act HIV-1 transmission risk through anal sex vary by gender? An updated systematic review and meta-analysis

Recorded source metadata

R. Baggaley, B. Owen, R. Silhol, Jocelyn Elmes, P. Anton, I. McGowan, A. van der Straten, B. Shacklett, Q. Dang, E. Swann, D. Bolton, M. Boily. Does per-act HIV-1 transmission risk through anal sex vary by gender? An updated systematic review and meta-analysis. 2018. https://doi.org/10.1111/aji.13039

This updated meta-analysis confirms that the per-act HIV transmission risk for receptive anal intercourse remains significantly high across populations.

Source citation format

Prevalence and determinants of heterosexual anal and oral sex practice among young people in Ethiopia: systematic review and Meta-analysis

Recorded source metadata

Feyera Olkaba B, Wirtu Teso D, Hailu Kassa D. Prevalence and determinants of heterosexual anal and oral sex practice among young people in Ethiopia: systematic review and Meta-analysis. 2025. https://doi.org/10.12688/f1000research.164902.1

This review highlights that anal intercourse carries a higher risk of HIV transmission than other sexual practices, such as vaginal intercourse.

Source citation format

The paper trail · every fact has a biography

first checked02 Aug 2026

judged → SUPPORTED · 9302 Aug 2026

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