Here is a link to some signs.
www.stopitnow.org/ohc-content/tip-sheet-warning-signs-of-possible-sexual-abuse-in-a-childs-behaviorsBehavior you may see in a child or adolescentHas nightmares or other sleep problems without an explanation
Seems distracted or distant at odd times
Has a sudden change in eating habits
Refuses to eat
Loses or drastically increases appetite
Has trouble swallowing.
Sudden mood swings: rage, fear, insecurity or withdrawal
Leaves “clues” that seem likely to provoke a discussion about sexual issues
Writes, draws, plays or dreams of sexual or frightening images
Develops new or unusual fear of certain people or places
Refuses to talk about a secret shared with an adult or older child
Talks about a new older friend
Suddenly has money, toys or other gifts without reason
Thinks of self or body as repulsive, dirty or bad
Exhibits adult-like sexual behaviors, language and knowledge
Signs more typical of younger childrenAn older child behaving like a younger child (such as bed-wetting or thumb sucking)
Has new words for private body parts
Resists removing clothes when appropriate times (bath, bed, toileting, diapering)
Asks other children to behave sexually or play sexual games
Mimics adult-like sexual behaviors with toys or stuffed animal
Wetting and soiling accidents unrelated to toilet training
Signs more typical in adolescentsSelf-injury (cutting, burning)
Inadequate personal hygiene
Drug and alcohol abuse
Sexual promiscuity
Running away from home
Depression, anxiety
Suicide attempts
Fear of intimacy or closeness
Compulsive eating or dieting
Physical warning signsPhysical signs of sexual abuse are rare. If you see these signs, bring your child to a doctor. Your doctor can help you understand what may be happening and test for sexually transmitted diseases.
Pain, discoloration, bleeding or discharges in genitals, anus or mouth
Persistent or recurring pain during urination and bowel movements
Wetting and soiling accidents unrelated to toilet training