What is the size of the fontanel? Things to know about fontanel size

What is the size of fontanel

Fontanelle, also called \”anterior fontanel\” and \”posterior fontanel\”, refers to the connection between two brain bones on the baby\’s skull that have not yet completely healed. The anterior fontanelle is the fontanel at the top of the head, and the posterior fontanelle is the fontanelle at the back of the head. Fontanel size refers to the diameter and length of the fontanel, which can reflect the baby\’s brain development. The normal range of fontanel size varies according to age and gender. The following will learn about the precautions for fontanel size from many aspects.

How to measure fontanel size

Among the things to note when understanding fontanel size, let’s first understand how to measure it. Measuring the diameter of the fontanel requires the use of a ruler and is done while the baby is relaxed and quiet. The normal range of the anterior fontanel is between 1.5-4.5 cm, while the normal range of the posterior fontanelle is smaller than the anterior fontanelle. As the baby grows, the size of the fontanel will gradually decrease, and eventually the fontanel will close to a certain extent.

What should you pay attention to if the fontanel is too large

An oversized fontanel means that the diameter of the fontanel exceeds the normal range. Although the size of fontanel varies depending on age, nervous system and other factors, if it exceeds the normal range, parents should pay attention to it. Excessively large fontanels may be caused by abnormal brain development or other medical or neurological diseases. Parents should pay close attention to their children\’s daily performance. If symptoms such as repeated vomiting, syncope, and abnormal muscle tone occur, they should contact the doctor promptly for targeted examination.

What should you pay attention to if the fontanel is too small

Small fontanelle means that the diameter of the fontanel is smaller than the normal range. This condition is primarily caused by abnormal bone growth in the head. Normally, this situation will be reflected in the baby\’s growth and development. Parents need to pay close attention to the baby\’s growth and development and strengthen nutritional intake to help the baby obtain a better growth environment. If you find that your baby has abnormal growth and development, you should contact a professional doctor for diagnosis and treatment in time.

Fontine size is not a universal sign

Although fontanelles can reflect a baby\’s brain development, they are not a universal sign. The size of the fontanel cannot fully reflect the health status of the baby. Parents should not rely solely on the size of the fontanel to determine the baby\’s physical condition. In daily family life, in addition to paying attention to the size of the child\’s fontanel, parents should also pay attention to the child\’s mood, sleep, diet, defecation, etc., and pay all-round attention to the child\’s health.

Summary

From the above aspects, the precautions for the size of the fontanel are not just about the baby\’s head circumference, but also involve the parents\’ comprehensive attention to the baby\’s health. Only when parents pay enough attention to their baby\’s physical development can they detect abnormalities in time and take appropriate measures to deal with them when their children have physical abnormalities. Therefore, in daily life, in addition to observing the normal fontanel size, we should also pay attention to all aspects of the baby\’s performance and consult professional doctors in a timely manner to ensure the healthy growth of the baby.

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