Over 200,000 people are reported missing in Britain every year. Some of these missing people are mothers.

In Missing Mums, Lorraine Kelly investigates stories of mums who have disappeared and looks at the emotional impact on loved ones left behind.

Lorraine used reconstructions to retrace the last known steps of the missing mum and she talks to the police, private investigators and charities who are trying to solve the mystery.

If you have any information about a crime linked to any of the cases featured in this series then you can also contact Crimestoppers anonymously on 0800 555 111. Calls are free.