When should you wean your baby? There are many different theories on this process and it can be one of the most often asked questions to a pediatrician. Even they may not be able to tell you when the process should be started. The fact is, many mothers need a specific guideline that tells them when they should just stop. There is not one of those guidelines available. The fact is, it takes a great deal of time to make this baby weaning process happen and no one can tell you when to stop breastfeeding.