Just because you become a parent doesn't mean you know and understand all. I would think their way of reacting is only them trying to deal with, help, and understand what is going on with you. (As long as they are not being abusive or mean.) It is normal for parents to be in denial about things they don't understand. Maybe you could try to talk to them and help them understand what you are going through? Look up some articles they can read about your condition.