Terms of Use

1. Acceptance of Terms

By accessing or using GrowthPercentile.com (the "Site"), you agree to be bound by these Terms of Use. If you do not agree, do not use the Site.

2. Educational Purpose Only — Not Medical Advice

The Site provides pediatric growth percentile calculations based on publicly available reference data from the World Health Organization (WHO) and the US Centers for Disease Control and Prevention (CDC). The Site is intended solely for educational and informational purposes.

The Site does not provide medical advice, diagnosis, or treatment. Results generated by the calculators are not a substitute for professional medical evaluation. Always consult a qualified healthcare professional for any health-related concerns about your child.

No physician–patient relationship is created by your use of the Site.

3. No Warranty

The Site and all content, tools, and results are provided on an "as is" and "as available" basis without warranties of any kind, whether express or implied, including but not limited to warranties of accuracy, completeness, fitness for a particular purpose, or non-infringement.

While we strive for accuracy by using official WHO and CDC LMS parameter tables without modification, we do not guarantee that the calculations are error-free or that results will match those produced by clinical software or your healthcare provider.

4. Limitation of Liability

To the fullest extent permitted by applicable law, GrowthPercentile.com, its owner, contributors, and affiliates shall not be liable for any direct, indirect, incidental, special, consequential, or punitive damages arising out of or related to your use of, or inability to use, the Site or any results provided by the calculators.

This limitation applies regardless of the theory of liability (contract, tort, negligence, strict liability, or otherwise), even if we have been advised of the possibility of such damages.

5. Data Sources and Accuracy

Growth reference data used on the Site comes from:

• WHO Child Growth Standards
• CDC 2000 Growth Charts

We use the published LMS parameter values exactly as provided by these organizations. However, we are not affiliated with, endorsed by, or sponsored by WHO or CDC.

6. User Responsibilities

You are responsible for:

• Entering accurate measurement data (weight, height, age, sex)
• Understanding that results depend on the accuracy of the data you enter
• Not relying on the Site as a substitute for professional medical advice
• The security of your own device and browser, including any data stored locally by the Growth Tracker
• Using the Site in compliance with all applicable laws

6a. Growth Tracker — Locally Stored Data

The Growth Tracker feature stores child profile information and measurement history in your browser's localStorage. This data includes names, dates of birth, and health measurements that you voluntarily enter.

Important:

• All Growth Tracker data is stored exclusively on your device. It is never transmitted to, processed by, or accessible to GrowthPercentile.com or any third party.
• GrowthPercentile.com has no ability to access, view, recover, back up, or delete your locally stored data.
• You assume full responsibility for the data you choose to enter and for maintaining the security of your device (including protection against unauthorized physical access, malware, and malicious browser extensions).
• Browser localStorage is not encrypted. If device security is a concern, use your browser's private/incognito mode or delete your data after each session using the controls provided on the Growth Tracker page.
• If you clear your browser data, switch browsers, or use a different device, your Growth Tracker data will be permanently lost. We cannot recover it.

To the fullest extent permitted by applicable law, GrowthPercentile.com disclaims all liability for any loss, unauthorized access, or misuse of data stored in your browser's localStorage, as such data is under your sole custody and control.

7. Intellectual Property

The Site's original content, design, code, and branding are the property of GrowthPercentile.com. The underlying growth reference data is in the public domain as published by WHO and CDC.

You may not reproduce, distribute, or create derivative works from the Site's proprietary content without prior written permission.

8. Third-Party Links

The Site may contain links to third-party websites (e.g., WHO, CDC). These links are provided for convenience and reference only. We do not control, endorse, or assume responsibility for the content or practices of any third-party sites.

9. Modifications to Terms

We reserve the right to modify these Terms of Use at any time. Changes will be posted on this page with an updated "Last updated" date. Your continued use of the Site after changes are posted constitutes acceptance of the revised terms.

10. Governing Law

These Terms of Use shall be governed by and construed in accordance with the laws of the United States, without regard to conflict of law principles.

11. Contact

If you have questions about these Terms of Use, please contact us at [email protected].