Leap 10 Peak at Week 75 (~17.3 months)
10

The World of Systems

What happens during Leap 10?

Big-picture thinking arrives: principles get applied flexibly across changing social contexts. They begin to understand "myself" as a distinct person with preferences.

Development Milestones in this Leap

Recommended Play & Activities for Leap 10

Every milestone, beautifully remembered.

Track your baby’s complete development journey, discover daily age-perfect activities, log WHO growth charts, and securely share memories with your whole family.

  • 🔒 Encrypted baby photo log
  • 📊 CDC milestones & WHO growth
  • 💡 240+ curated daily activities
  • 🤖 Alex pediatric AI assistant