Care Team, Therapy & Support

Head circumference monitoring

Head circumference monitoring is the ongoing tracking of head size, a key way to detect and follow hydrocephalus in infants and young children.

In short: Head circumference monitoring

  • It is the ongoing tracking of head size over time.
  • It helps detect and follow hydrocephalus in young children.
  • It is plotted on growth charts to assess the trend.
  • It is simple, noninvasive, and valuable.

What it is

Head circumference monitoring is the ongoing measurement and tracking of head size over time, plotted on growth charts. It is one of the most valuable, simple ways to detect and follow hydrocephalus in infants and young children.

Understanding Head circumference monitoring

Because a young child's skull can expand, hydrocephalus often shows up as accelerating head growth, so tracking head circumference over time is a key monitoring tool. Measurements are plotted on growth charts, and the trend — particularly crossing upward across percentiles — signals possible developing or worsening hydrocephalus and prompts evaluation. Monitoring continues at routine visits and follow-up, and families are sometimes taught to measure at home. It is also used to follow children after treatment, to confirm head growth is stabilizing. Head circumference monitoring is simple, inexpensive, and noninvasive, yet highly informative. Understanding it helps families appreciate why head size is measured repeatedly and what the trend can indicate.

Why it matters

Understanding head circumference monitoring helps families see why head size is tracked over time in young children — a simple, key way to detect and follow hydrocephalus and confirm stabilization after treatment.

Common questions

What is head circumference monitoring?

The ongoing tracking of head size over time.

Why is it valuable?

It helps detect and follow hydrocephalus in young children.

How is it interpreted?

Through the trend on growth charts, especially crossing percentiles.

Bottom line

Head circumference monitoring is the ongoing tracking of head size, a simple, key way to detect and follow hydrocephalus in young children.

Browse all 265 Hydrocephalus definitions

Read the Hydrocephalus patient guides

Not sure which page you need? Put words to it with the symptom navigator

What AURORA is building for Hydrocephalus