vaginal intercourse (women only), anal intercourse
, fellatio (performed on a partner), and manual-penile stimulation (performed on a partner).
Prevalence of unprotected anal intercourse
among HIV-diagnosed MSM in the United States: a meta-analysis.
Colin Batrouney, Manager of Health Promotion at the Victorian Aids Council for Gay Mens Health, said that they were seeing an increase in unprotected anal intercourse
with casual partners that means that people were not using condoms during casual hook-ups.
Furthermore, anal intercourse
, the sex act most linked to MSM, had the highest likelihood of infection.
The control and risk-reduction groups were statistically indistinguishable with respect to the odds of reporting unprotected vaginal intercourse, heterosexual anal intercourse
and vaginal intercourse with multiple partners.
HIV transmission risk through anal intercourse
, systematic review, meta-analysis and implications for HIV prevention.
1] The reasons for this are multifactorial but a major risk contributor is the high HIV-transmission potential associated with unprotected anal intercourse
12) Because the anorectal transitional zone where cloacogenic tumors arise shares an embryologic origin with the uterine cervix, a site of cancers related to sexual intercourse, the Fox Chase team posed "the serious question of the etiologic potential of receptive anal intercourse
in the development of cloacogenic carcinoma.
Other causes include the insertion of a foreign object, anal intercourse
, a digital rectal exam and chronic constipation or diarrhea.
Participants who had reported gender abuse were more likely to be depressed and were more likely to have participated in unprotected receptive anal intercourse
6) Several risk factors have been identified for anal intraepithelial neoplasia (AIN), including anal intercourse
, intravenous drug use, abnormal cervical cytology, young age, HIV infection/low CD4 count, and anal or cervical HPV infection.
Finally, studies have found that anal intercourse
among adolescents and young adults is often unprotected (Lescano et al.