http://www.childmatters.org.nz/85/learn-about-child-abuse/recognise-the-signs/sexual-abuse
There may also be indicators in a child’s behaviour that could indicate sexual abuse.
Some examples of this in young children are:
Age-inappropriate sexual play with toys, self, others
Bizarre, sophisticated or unusual sexual knowledge
Comments such as “I’ve got a secret”, or “I don’t like Uncle”
Fire lighting by boys
Fear of certain places eg bedroom or bathroom
Some examples of this in older children are:
Eating disorders
Promiscuity or prostitution
Uses younger children in sexual acts
Tries to make self as unattractive as possible