OP45 ‘Sexual competence’ at first heterosexual intercourse: examining the prevalence and correlates of a context-based measure of first intercourse in a population-based sample of british 16–24 year olds
OP45 ‘Sexual competence’ at first heterosexual intercourse: examining the prevalence and correlates of a context-based measure of first intercourse in a population-based sample of british 16–24 year olds