My 5 year old son has always liked looking at pictures of pregnant woman but the other day he took his iPad into his room and didn't want me coming in. When i insisted on seeing what he was watching, he had searched for pregnant woman and had been watching (on youtube kids so very innocent) woman talking about being pregnant etc..... We don't know anyone around us who is pregnant and he is my only child. Should i be worried? Why do you think he is so interested in this?