London Telegraph 
February 7, 2012
The procedure was carried out in Southampton, Hants, as part of a government initiative to drive down teenage pregnancies.
As many as nine secondary schools in the city are thought to have been involved.
But it has caused a backlash from parents who weren’t aware that their daughters had been fitted with the 4cm device, which sits under the skin.
It is currently unknown exactly how many youngsters have taken part in the scheme.
Parents say they have been forced to inspect their child’s arm for any sign of the implant.