Putting a number in its context

Ben Goldacre, The Guardian, Saturday 8th January 2011 "600 pregnancies despite contraceptive implant" said the BBC.  "500 fall pregnant after having contraceptive implant" said the Express. "Contraceptive implant alert" said the Daily Mail: "Hundreds of women fall pregnant after birth control fails". The story first broke on Channel 4, and it's still not entirely clear [...]