No Worry: The "percentile" for head circumference is a reflection of your child's head circumference comparred to others, and it is best if the "percentile" does not change greatly. 50% at 1 mo and 2 mo means your child's rate of head growth is perfectly fine. Concern only when head circumference increases/decreases by more than 2 standard deviations. Example: 50% at 1 mo, then 95% at 6 mos.
Answered 5/22/2018
5.5k views
Average growth: That the kid stays at 50% is not bad, it means his head growth is following the same rate of growth that the average kid does.A drop off or jump up in the percentage could mean problems.
Answered 3/26/2013
5.5k views
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2 doctors weighed in across 2 answers
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