When Do Leaps Occur?

The Wonder Weeks organizes milestones a little differently. Instead of focusing on a few skills, leaps are given names that relate to the shifts going on in your baby's world. For example, leap two, which happens around the 2-month mark, is all about identifying patterns.

What ages do leaps happen?

What are Mental Leaps? These are ten stages from week 5 of birth to around 17 months of age. Each stage represents changes in a baby's development and perception of their world. Babies are only capable of developing particular skills after their brain has matured sufficiently.

How do I know if my baby is going through a leap?

These spurts in growth can cause some temporary personality changes in your little one, too. Some of the most common signs your baby is going through a developmental leap are crying and fussiness, sleep regressions, and separation anxiety.