'Struggle' for prisoners' children
10 October 2013 Last updated at 07:27 BST
Children with a parent in prison are more likely to develop mental health problems and are three times more likely to display anti-social or delinquent behaviour, research suggests.
The University of Huddersfield study looked at the impact on the roughly 200,000 children whose mother or father was in prison at some point during 2009.
Jenny Hill reports.