The Ultimate Guide to Preemie Adjusted Age: Calculator, Milestones & Expert Tips

"Your baby isn't behind—they're on their own perfect timeline."

When Emma's 32-week preemie wasn't rolling over at 6 months, her pediatrician said: "She's really 4 months adjusted—right on track!"

This guide includes:

  • ✅ Interactive calculator (no math required)
  • ✅ Milestone timelines by adjusted age
  • ✅ Vaccine/solids guidance from AAP
  • ✅ Free printable tracker (download now)

Interactive Adjusted Age Calculator

Preemie Adjusted Age Calculator

Adjusted Age: —

Preemie Milestones by Adjusted Age

Age Motor Social When to Ask for Help
0-3 mo Lifts head briefly Smiles reflexively No eye contact by 4mo adj.
3-6 mo Rolls front→back Laughs/giggles Can't grasp objects
6-9 mo Sits with support Says "mama/dada" No babbling

Data from CDC's "Learn the Signs. Act Early." program

Parent FAQs

1. When can we stop using adjusted age?

"Most preemies catch up by age 2-3. For micro-preemies (<28 weeks), we may track longer."

– Dr. Sarah Chen, Neonatologist

Free Printable Tracker

📥 Download includes:

  • Adjusted age calculator
  • Milestone checklist
  • Growth log + NICU memory prompts

About the Author

Lisa Tanaka

  • Preemie mom to a 29-weeker (now a thriving 4-year-old)
  • Certified Child Life Specialist
  • Collaborated with AAP Section on Neonatal-Perinatal Medicine