Encouraging schoolchildren to experiment with oral sex could prove the most effective way of curbing teenage pregnancy rates, a government study has found. Pupils under 16 who were taught to consider other forms of 'intimacy' such as oral sex were significantly less likely to engage in full intercourse, it was revealed. Britain's teenage pregnancy rate is the highest in Europe. In 2002 there were 39,286 teen pregnancies recorded. The government has spent more than £60 million to tackle the problem but so far failed to halt the rise. A sex education course developed by Exeter University trains teachers to talk...