It is well established that child sexual abuse is a considerable international problem, yet evidence regarding its prevalence in the United Kingdom is extremely sparse, with the most comprehensive study conducted over a decade ago. The aim of this study is to establish a current estimate of the prevalence and nature of child sexual abuse in the United Kingdom, using a sample of female university students. Of the 213 female undergraduate students who completed questionnaires, 28 were sexually abused, giving a prevalence rate of 13.14%. Information was also obtained regarding the nature of the abuse. These results show that a substantial proportion of female students in the United Kingdom, who appear to be coping with tertiary KEY WORDS: child sexual abuse; United Kingdom T he discovery in recent decades of the widespread prevalence of child sexual abuse (Finkelhor, 1999;Peters et al., 1986), including evidence regarding its occurrence within some children's homes, highlights the social importance of understanding the nature and scope of this problem. However, the variability of reported prevalence rates is an enduring problem and has been the focus of recent debate concerning outreach advertising campaigns in the media. For example, the Advertising Standards Association recently upheld a complaint about a poster suggesting that up to 50% of girls would be abused by the time they were 18 years Ł Correspondence to: