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👶 Corrected Age (Prematurity)

UseDevelopmental assessment of preterm infants.

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SourceAAP guidance on corrected age

Runs locally in your browser (no PHI uploaded). For licensed clinicians — not a substitute for clinical judgement.
Stored on this device for revisit reminders

This-shift next steps

After scoring: open the scene pack, peer scores, and the matching pathway. Local reference — no HIS write.

Score + version; reference only — not a substitute for care · no HIS write

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Methodology · worked example, guidelines & full notes
Clinical takeaway

Use corrected age until about 2 years.

When to use

Developmental assessment of preterm infants.

How it works

Corrected age = chronological age − (40 − gestational age at birth, weeks).

Key points

  • Use corrected age until about 2 years.
  • Vaccinations follow chronological age.
  • Important for interpreting developmental milestones.

References

Worked calculation

The values below come from this tool's own example placeholders and are computed server-side with the formula shown on this page, so the arithmetic can be checked quickly. It demonstrates how to substitute values only — it is not clinical advice and not a real case.

Chronological age20 weeks
Gestational age at birth30 weeks

→Corrected age10weeks

  • Weeks preterm:10 (40 − GA)
  • ≈ Corrected age:2.3 months
  • Note:Use corrected age for developmental assessment, typically until ~2 years.
Verification & sources · governance
FAQ

Frequently asked questions

What are the limits and cautions when using Corrected Age (Prematurity)?
For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.
Does Corrected Age (Prematurity) upload patient data? Where is it calculated?
Calculation runs locally in the browser; inputs and results are not uploaded. For licensed clinicians only; interpret with history, investigations and local protocols — not a diagnosis or prescription.
How is Corrected Age (Prematurity) calculated in practice? Can you show a worked example?
Inputs: Chronological age 20 weeks, Gestational age at birth 30 weeks → Result: Corrected age 10 weeks(Weeks preterm: 10 (40 − GA), ≈ Corrected age: 2.3 months, Note: Use corrected age for developmental assessment, typically until ~2 years.)
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