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Q&A: What's the Difference Between Actual Age and "Adjusted" Age?

What's the difference between actual age and "adjusted" age in preemies?
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Updated
March 2, 2017
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“Actual age” is your baby’s real age, calculated from her birthday; while adjusted age is calculated from her due date. A baby needs a full 40 weeks (give or take a week) to grow and develop, so the adjusted age takes into account the weeks of pregnancy that are missed due to a premature delivery. For example, consider a baby born at 28 weeks who is now 16 weeks old by actual age and 4 weeks by adjusted age. This baby, technically four months from her birthday, is not expected to have met the same developmental milestones as a four-month-old. Instead, this baby will be more on track with a baby who is one month old.

Please note: The Bump and the materials and information it contains are not intended to, and do not constitute, medical or other health advice or diagnosis and should not be used as such. You should always consult with a qualified physician or health professional about your specific circumstances.

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