Links to the World Health Organisation growth charts. Supposed to be more representative of "optimum" growth for babies and children. I thought it might handy to have them linked somewhere on here so that mums feeling frazzled by the HV or the red book don't need to go looking for them as they're a bit hard to find on their site.
These two pages are contain all the charts you could possibly need; they all download as Pdfs.
Infant growth
Child and adolescent growth