UK sperm bank has just nine registered donors, boss reveals

Chief executive announces drive to recruit new donors with 'superman' message based on successful campaign in Denmark

A year after it was established, Britain's national sperm bank has admitted it has only nine registered donors - prompting its boss to urge men to prove their manhood by donating sperm.

We get asked for six-foot tall donors, when the average height is 5ft 7in in Britain