bumbunan

It is called fontanelle and they close about 10mos to 18mos ni baby. Kapag po lubog it might be a sign of dehydration, kaya sinasabi ng mga matatanda gutom na si baby kapag lubog. Pero kapag nakaumbok mas delikado, kasi maaring may sakit na serious. Hope thos helps. Got this from google, tho. 😅