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Abstract Heterosexual anal intercourse confers a much greater risk of HIV transmission than vaginal intercourse, yet its contribution to heterosexual HIV epidemics has been under researched. In this article we review the current state of knowledge of heterosexual anal intercourse practice worldwide and identify the information required to assess its role in HIV transmission within heterosexual populations, including input measures required to inform mathematical models.

We then discuss the evidence relating anal intercourse and HIV with sexual violence. Anal intercourse, HIV, infectiousness, sexual violence Introduction Much effort and research has gone into identifying risk factors for HIV transmission, which have played a substantial role in driving the heterosexual HIV pandemic.

While the increased risk of transmission through anal compared with vaginal intercourse VI has long been known, 1 its contribution to HIV transmission at the population level has been insufficiently studied. In this article, we identify the information we require to assess the contribution of anal intercourse AI to heterosexual epidemics: How frequently and with whom?

The combined biological and epidemiological context is important to determine the role of AI in HIV spread through a heterosexual population. Key biological and epidemiological factors are summarized in Table I. And how many AI acts? And for AI acts? Do you have AI with regular or casual partners? Do you have unprotected AI with regular or casual partners?

Questions regarding age of partner, perceived HIV status, perceived sexual activity: Do you know if your partner has AI with other partners? Do they use condoms for AI with other partners? HIV transmissibility through AI The risk of HIV transmission is greater during unprotected receptive anal intercourse URAI than during unprotected receptive vaginal intercourse URVI because the rectal mucosa lacks the protective humoral immune barrier present in cervicovaginal secretions and is more susceptible to traumatic abrasions that may facilitate transmission.

However, the relative role of AI in heterosexual HIV epidemics is unclear given the considerable uncertainty surrounding these infectiousness estimates as highlighted by the width of the CI because of the methodological difficulties in measuring this quantity. To what extent is it practiced in heterosexual populations? Among young populations in sub-Saharan Africa, often in those where HIV incidence is highest, 16 rates have ranged from 1.

Studies have found differences in gender for various sexual behaviors in Western countries, including for AI, with some studies suggesting that men are more likely to report experience of AI.

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S and m anal sex

Abstract Heterosexual anal intercourse confers a much greater risk of HIV transmission than vaginal intercourse, yet its contribution to heterosexual HIV epidemics has been under researched. In this article we review the current state of knowledge of heterosexual anal intercourse practice worldwide and identify the information required to assess its role in HIV transmission within heterosexual populations, including input measures required to inform mathematical models.

We then discuss the evidence relating anal intercourse and HIV with sexual violence. Anal intercourse, HIV, infectiousness, sexual violence Introduction Much effort and research has gone into identifying risk factors for HIV transmission, which have played a substantial role in driving the heterosexual HIV pandemic. While the increased risk of transmission through anal compared with vaginal intercourse VI has long been known, 1 its contribution to HIV transmission at the population level has been insufficiently studied.

In this article, we identify the information we require to assess the contribution of anal intercourse AI to heterosexual epidemics: How frequently and with whom? The combined biological and epidemiological context is important to determine the role of AI in HIV spread through a heterosexual population. Key biological and epidemiological factors are summarized in Table I. And how many AI acts? And for AI acts? Do you have AI with regular or casual partners?

Do you have unprotected AI with regular or casual partners? Questions regarding age of partner, perceived HIV status, perceived sexual activity: Do you know if your partner has AI with other partners? Do they use condoms for AI with other partners? HIV transmissibility through AI The risk of HIV transmission is greater during unprotected receptive anal intercourse URAI than during unprotected receptive vaginal intercourse URVI because the rectal mucosa lacks the protective humoral immune barrier present in cervicovaginal secretions and is more susceptible to traumatic abrasions that may facilitate transmission.

However, the relative role of AI in heterosexual HIV epidemics is unclear given the considerable uncertainty surrounding these infectiousness estimates as highlighted by the width of the CI because of the methodological difficulties in measuring this quantity.

To what extent is it practiced in heterosexual populations? Among young populations in sub-Saharan Africa, often in those where HIV incidence is highest, 16 rates have ranged from 1. Studies have found differences in gender for various sexual behaviors in Western countries, including for AI, with some studies suggesting that men are more likely to report experience of AI.

S and m anal sex

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  1. What role, authors Paul Abramson and Steven Pinkerton ask, does sexual pleasure play in our lives?

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