Heterosexual anal intercourse and the risk of Aids and HIV for 16-20-year-olds

摘要: 'LOWER bound' prevalence estimates for heterosex ual anal intercourse, derived from a cohort-sequen tial longitudinal survey study of sample 2,171 16-20 year-olds in the UK, are presented. A non-triv ial number people report past experience het erosexual intercourse and willingness to have it future. Those who reported having had were more likely also been younger when they first va ginal intercourse; sexual partners; current partners other being less willing use condoms