More than 220 infants in the UK were killed or injured as a result of being shaken in the past decade, analysis of NSPCC figures has found.
Serious case reviews were carried out on 1,253 children, with nearly one in six of those reports concluding the youngster had suffered a brain injury.
The charity said it believed that number was “the tip of the iceberg”.
It comes as a campaign to help parents avoid losing control and shaking their baby is being rolled out in Yorkshire.
Dr Suzanne Smith, a former safeguarding nurse in Leeds who has founded the programme, said: “I’ve seen the devastating impact of shaking babies in hospitals – where babies have died or suffered extremely severe disabilities and we need to do more to