Our expert says:
Dear Freaked out
This is quite normal for a 3 year old to be interested in his (and other children's!) private parts and even to masturbate. See http://www.kidsgrowth.com/resources/articledetail.cfm?id=1202
Use it as an educational opportunity and try not to show that it upsets you!
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.