Teenage pregnancy rates in Britain continue at more-or-less the same depressingly high level they’ve been at since the 70s. The BBC covers the question of why. Whenever there’s a debate about this you get the usual answers: on the Left concerned types talk about how more sex education is needed; on the Right concerned types talk about abstinence. In the report someone gets to the real point, one I heard made in a radio interview years ago (I think) by a woman working at a family planning clinic: “Effective contraception is when a girl doesn’t want to get pregnant.”