Question

What should be the size of a 13-month-old baby’s fontanelle?

Answer

According to your description, generally speaking, a 13-month-old baby’s fontanelle should have already closed. It is recommended to properly handle this situation, and to increase nutritional intake, including supplementing vitamins, trace elements, and consuming easily digestible and absorbable foods. At the same time, it is advisable to avoid eating irritating food.