A man and a woman are accused of causing serious physical harm to a child in Grantham.
Jordan Richard Bentley, 26, of Kinoulton Court, Grantham, and Kelly Davidge, 34, of Muston Road, Grantham, appeared before magistrates.
They were accused of causing a child to suffer serious physical harm between November 1, 2013, and December 4, 2013.
Mr Bentley and Mrs Davidge are also accused of wilfully assaulting, ill treating, neglecting, abandoning or exposing a child in a manner likely to cause unnecessary suffering or injury between the same dates.
Mr Bentley is also accused of causing grievous bodily harm to the child on December 3, 2013.
The case was adjourned to Lincoln Crown Court for a preliminary hearing on April 7.
Mr Bentley and Mrs Davidge were given bail on condition they did not contact named persons and that they did not have any unsupervised contact with any child under 16 without approval of social services.