How do you know what to give first, how much, how often, what not to give etc. Obviously I know a lot of things from friends and through internet but shouldn't there be a health care professional giving some guidance? I thought I would just go with instinct but the more I read the more complicated it gets. Last time I saw HV was at 6 week check and won't see her again til baby is 1 year old. So who do I speak to or is it a matter of reading up on it myself?