Terms of Service

1. Acceptance of Terms

By accessing and using OB Wheel Calculator (available at obwheelcalculator.com), you agree to be bound by these Terms of Service. If you do not agree to these terms, please do not use our website or services. These terms apply to all visitors, users, and others who access or use the service.

2. Medical Disclaimer

IMPORTANT: OB Wheel Calculator is NOT a medical device, and the information provided is NOT medical advice.

The OB Wheel Calculator and all content on this website are provided for informational and educational purposes only. The estimated due dates, gestational ages, trimester information, and all other calculations or content should NOT be used as a substitute for professional medical advice, diagnosis, or treatment.

Always seek the advice of your physician, obstetrician, midwife, or other qualified health provider with any questions you may have regarding your pregnancy or a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.

The due date provided by this calculator is an estimate based on Naegele's Rule and a standard 28-day menstrual cycle. Individual results may vary significantly. Only about 5% of babies are born on their exact estimated due date.

3. Description of Service

OB Wheel Calculator provides a free online tool that estimates pregnancy due dates based on the first day of the Last Menstrual Period (LMP) using Naegele's Rule. The service also includes educational content about pregnancy dating, gestational development, and related topics through our blog.

4. Intellectual Property

All content on this website — including but not limited to text, graphics, logos, icons, images, calculations, code, and the overall design — is the property of OB Wheel Calculator and is protected by applicable copyright and intellectual property laws.

You may not reproduce, distribute, modify, create derivative works of, publicly display, publicly perform, republish, download, store, or transmit any material from this website without prior written consent, except for personal, non-commercial use.

5. Limitation of Liability

To the fullest extent permitted by applicable law, OB Wheel Calculator and its team shall not be liable for any indirect, incidental, special, consequential, or punitive damages, including but not limited to loss of data, health outcomes, or any other intangible losses arising from:

• Your use of or inability to use the service
• Any errors or inaccuracies in the calculator's output
• Reliance on any information provided through the service
• Unauthorized access to or alteration of your data
• Any other matter related to the service

The calculator provides estimates only and should never be the sole basis for medical decisions.

6. User Responsibilities

When using OB Wheel Calculator, you agree to:

• Use the service for lawful purposes only
• Not attempt to interfere with the proper functioning of the website
• Not attempt to gain unauthorized access to any systems or networks
• Understand that the calculator provides estimates, not medical diagnoses
• Consult with qualified healthcare providers for medical decisions
• Not submit false, misleading, or abusive content through any forms

7. Third-Party Links

Our website may contain links to third-party websites or services that are not owned or controlled by OB Wheel Calculator. We have no control over, and assume no responsibility for, the content, privacy policies, or practices of any third-party websites or services. We encourage you to review the terms and privacy policies of any third-party sites you visit.

8. Modifications to Terms

We reserve the right to modify or replace these Terms of Service at any time at our sole discretion. Material changes will be indicated by updating the "Last updated" date at the top of this page. Your continued use of the service after any changes constitutes acceptance of the new terms. We encourage you to review these terms periodically.

9. Termination

We may terminate or suspend your access to the service immediately, without prior notice or liability, for any reason, including but not limited to a breach of these terms. All provisions of these terms that should survive termination shall survive, including ownership provisions, warranty disclaimers, and limitations of liability.

10. Governing Law

These terms shall be governed by and construed in accordance with applicable laws, without regard to conflict of law provisions. Any disputes arising from these terms or your use of the service shall be resolved through appropriate legal channels.

11. Contact Information

If you have any questions about these Terms of Service, please contact us at contact@obwheelcalculator.com or visit our Contact Us page.