Cribsheet: A Data-Driven Guide to Better, More Relaxed Parenting, from Birth to Preschool (The ParentData Book 2)

by Emily Oster

If your baby is peeing with some frequency and does not have a dry tongue, there’s a very good chance he’s not dehydrated. Conversely, if you see these signs, supplementation may be a good idea, even if there isn’t too much weight loss.