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Last Updated: Thursday April 14 2011 12:41 GMT

Children are getting bigger, survey finds

3D scans of people

Children today are taller and fatter than their parents were at the same age, a survey has found.

Researchers used 3D scanners to measure 2,500 children. They found that on average 11-year-old boys were 4cm taller, and girls 2cm taller than children of the same age 30 years ago.

And children aren't just getting taller - girls waist measurements were 8cm bigger and boys' waists were up by 7cm.

The aim of the survey was to help make clothes that fit children better.

But the results could also change the way doctors decide if kids are overweight or not.