Adjusting Your Baby’s Age

How to Adjust Your Baby’s Age

If your baby was born early, she has 2 important days to mark on the calendar. The day your baby was born is her official date of birth, but her estimated due date is also an important day. When you measure your baby’s development—that is, when you look at what is “normal” for your baby’s age—consider both of those dates. By looking at the difference between them, you can adjust her calendar age to account for her prematurity and calculate her corrected age. During the first 2 years, using her corrected age will give you a better idea when she should reach common developmental goals.​

  • ​Here’s what to do: If your baby is 14 weeks old, but was born 6 weeks early, subtract 6 from 14. This gives you 8 weeks. Use this adjusted age when you look at the milestones sections. By age 2, most children have caught up to the normal range, and you won’t have to do this math. If your child has not caught up, he may require extra support for a longer period of time.
  • ​Watch for progress: The most important thing is to make sure your child is moving forward in his development. For example, your baby should progress from pulling himself up, to standing, and then to walking. Remember that children reach new milestones at different ages. You will know your child better than anyone else. When you watch her carefully, you will see ways she is growing well. You will also know if she needs more help. Remember, you do not have to do it alone. There are doctors, teachers and other people and information to support you. We hope this brochure gives you a good place to start. (Via Healthy Children)

“Preemie Milestones.”, Healthy Children, 16 Feb. 2017


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