Slack said some of the ideas in the booklet came from the Netherlands, which is well known in Europe for its liberal attitude toward sexual behavior. Scroll down to see what our readers think of the NHS's 'orgasm a day' message to youngsters. The book, standing in direct and deliberate opposition to traditions that try to confine sexuality to procreation, is sure to ignite a firestorm of controversy. About 40, teenagers become pregnant every year in the UK - the highest level in western Europe. Responding to these and many other questions about our most private affairs, With Pleasure provides a profoundly original challenge to the cherished truisms of human sexuality. She said in countries where there is more openness about sex, such as the Netherlands, young people wait longer than British teenagers before having their first experience. The NHS Sheffield pamphlet, entitled 'Pleasure' and aimed at youngsters aged 14 and over, claims experts concentrate too much on the need for safe sex and loving relationships, and not enough on the pleasure sex can bring. More than half end in abortion. It makes them more confident and more able to say no. While some said the leaflets were a welcome contrast to traditional forms of sex education, which focus more on biology and disease prevention than on personal relationships, others wondered just how much coaxing teenagers need to enjoy sex. The leaflet for teenagers, unambiguously called "Pleasure," was issued by the National Health Service in Sheffield and is available to teachers, parents and youth workers across the country. In April, the government announced plans to make sex education compulsory in all state schools, starting next year. It offers wide-ranging health advice for the over crowd, but it caused the stir by describing the physical benefits of sex, which it says includes "reducing the risk of incontinence.