A new US study reveals crawling may no longer be an important measure of a baby’s development.

The US Centre for Disease Control and Prevention found the age babies crawl isn’t a reliable indicator of their development.

Leading parenting expert, Dr Justin Coulson, says crawling “doesn’t tell you anything particularly meaningful”.

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“From a biomechanical point of view you don’t have to crawl before you can walk,” he told Ross and Russel.