How risky is the contraceptive pill?

Available for over a year

Many of the potential side effects of the pill, such as blood clots, have been well documented since its release in the 1960s. And now, a study has claimed to have established a link between depression and the pill. But perhaps the main risk women face is poorly interpreted statistics. Presenter: Tim Harford and Elizabeth Cassin Producer: Charlotte McDonald and Elizabeth Cassin Image: Contraceptive Pills. Copyright: Philippe Huguen/AFP/Getty