Early sexual experiences of adolescent men who have sex with men.

Background: There are limited studies examining the early experiences of adolescent men who have sex with men (MSM), and the magnitude of changes in sexual practice among adolescent MSM is unclear. Therefore, we compared the sexual practice and trajectory among adolescent men who are MSM aged 16–20 years in two cohorts, 5 years apart in Melbourne, Australia. Methods: A total of 200 self-identified same-sex attracted men aged 16–20 years were recruited in each of HYPER1 (2010–2012) and HYPER2 (2017–2018) using similar methodology. Men completed a questionnaire about their sexual practices. Men were also asked to report the age of first sex with different sexual activities with men and women. Results: Compared to HYPER1, the median age at first sex with men was slightly increased in HYPER2: receiving oral sex (17.2 years in HYPER2 vs 16.5 years in HYPER1), performing oral sex (17.3 years vs 16.4 years), receptive anal sex (18 years vs 17.0 years) and insertive anal sex (18 years vs 17.3 years). Similar patterns were also observed in sexual practice with women: performing oral sex (17.0 years in HYPER2 vs 16.8 years in HYPER1), receiving oral sex (17.0 years vs 16.3 years) and vaginal sex (17.0 years vs 16.7 years). Conclusions: In general, there was a small delay in first-sex activity among adolescent MSM between two cohorts 5 years apart. Most adolescent MSM started their sexual practices before the age of 18 years and have engaged in activities that are at risk of HIV and STI. Health education and promotion, including regular sexual health check-ups, are important for HIV and STI prevention and intervention in this population. This study documents adolescent men who have sex with men aged between 16 and 20 years and assesses the magnitude of change in sexual practice and trajectory in this population. Compared to an earlier study cohort, the median age at first sex was slightly increased in this cohort and there was a small delay in first-sex activity. This study elicits evidence of changes in sexual practice which could translate into targeted sexually transmitted infections prevention strategies. [ABSTRACT FROM AUTHOR]

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