The posterior fontanelle typically closes early, by 2 to 3 months of age, so in your baby (almost 4 months), it is expected to be closed.
The anterior fontanelle usually closes between 9 and 18 months of age, with the average closure around 13 to 14 months.
Early or delayed closure might be indicating towards pathological states . Consult local Pediatrician / contact me on Practo.
Answered2025-09-01 09:57:36
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