anal intercourse

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Insertion of an erect penis per anus in a fashion analogous to that of vaginal intercourse

anal intercourse

A form of sexual intercourse, usually homosexual, in which the anus performs the sexual function of the vagina.
References in periodicals archive ?
W]e are seeing oral and anal sex joining, rather than replacing, vaginal intercourse in heterosexual repertoires," write the study authors.
The input values used in the analysis for the per-act HIV transmission probability associated with unprotected (no condom use) insertive and receptive anal sex, the average number of sex acts per month (three insertive and three receptive anal sex acts per month), and the efficacy of male circumcision applied to only insertive anal acts have been described by Lasry and colleagues (3).
They also wanted to see if HCV levels measured in semen were high enough to explain sexual transmission of HCV between men during anal sex without a condom.
Total follow-up was 481 person-years, and after researchers adjusted for each individual site, prior PrEP knowledge and reporting of condomless receptive anal sex at baseline were associated with being retained in the study.
Thus, it is critical to assess the perceived availability of low lighting in different types of sex venues and whether men who engage in onsite condomless anal sex prefer venues that afford this type of ambience.
The percentage of MSM reporting unprotected anal sex at least once in the past 12 months increased from 2005 to 2011, from 48% in 2005, to 54% in 2008, and 57% in 2011 (p<0.
3% of 1,148 MSM respondents had unprotected anal sex with regular partners in the previous six months (Prestage et al.
Yes, Taormino considers herself a feminist pornographer, having produced and directed 24 adult films, including two videos based on her book The Ultimate Guide to Anal Sex for Women as well as Chemistry, a reality-based series of full-length movies in which the performers choose their own sex partners.
A study on the sexual perception of young females in Iran demonstrated that there were misperceptions sex and oral and anal sex was considered less risky compared to vaginal sex (15).
The awareness level in people (women, men, transgender women) who reported to practice receptive anal sex was abysmally low.
Dr Wedad said she decided to write a book on sex education in 2006 when she encountered disturbing cases: a woman who had suffered anal sex over 20 years of her marriage, another woman married for 30 years who believed that only men had the right to enjoy sex, and yet another woman who was being threatened with divorce if she did not comply to her husband's obscene demands.
Thus, while receptive anal sex was very strongly associated with HIV infection, insertive anal sex was not.