## **Core Concept**
The World Health Organization (WHO) Growth Charts are tools used to track the growth and development of children over time. They provide percentile curves for various growth parameters, enabling healthcare professionals to monitor and compare a child's growth against a global standard.

## **Why the Correct Answer is Right**
The WHO Growth Charts include information on height-for-age, weight-for-age, weight-for-height, and body mass index (BMI)-for-age. These charts are based on data collected from children in several countries and are used globally. The correct answer, , implies that there is a specific type of growth information not included in the WHO Growth Charts.

## **Why Each Wrong Option is Incorrect**
- **Option A:** The WHO Growth Charts do include information on height-for-age, making this option incorrect.
- **Option B:** Similarly, weight-for-height is also included, which makes this option incorrect as well.
- **Option C:** BMI-for-age is another parameter included in the WHO Growth Charts, making this option incorrect.

## **Clinical Pearl / High-Yield Fact**
A key point to remember is that while the WHO Growth Charts provide comprehensive data on growth parameters, they do not specifically address bone age or provide detailed information on pubertal stages. This limitation is crucial for certain clinical assessments.

## **Correct Answer: D. **