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Federal Way, WA
A 29-year-old female asked:

When does the starte reflex stop being so strong in babies? is it concerning in a 9 week old? he does it and wakes hisself crying as well as awake.

2 doctor answers4 doctors weighed in
Dr. Susan Arnoult
Family Medicine 26 years experience
No worries: This can be present in infants up to 5 months of age. Make sure to check with your pediatrician that all his milestones and other reflexes are normal.
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Dr. James Ferguson
Pediatrics 47 years experience
Normal: I see it strong up to 3 months awake and 4 months asleep. It begins to fade as babies nervous system begins to mature. The kids are often a bit unhappy when these involuntary movements happen, but they are normal.
Created for people with ongoing healthcare needs but benefits everyone.

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Last updated Sep 8, 2015

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