OB Wheel Calculator

Privacy Policy

Last updated: June 1, 2025

1. Introduction

OB Wheel Calculator ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard information when you visit our website at obwheelcalculator.com (the "Service"). By using our Service, you agree to the collection and use of information as described in this policy.

2. Information We Collect

We are committed to minimal data collection. Here is what we collect:

2.1 Calculator Data

All pregnancy calculations (LMP dates, due dates, gestational ages) are performed entirely in your browser. We do not collect, transmit, or store any health-related data you enter into the calculator. Your pregnancy information never leaves your device.

2.2 Contact Form Submissions

If you voluntarily submit a message through our Contact Us page, we collect the information you provide, which may include your name, email address, and message content. This information is used solely to respond to your inquiry.

2.3 Automatically Collected Information

Like most websites, we may automatically collect certain technical information when you visit our site, including:

  • Browser type and version
  • Operating system
  • Referring website
  • Pages visited and time spent
  • Approximate geographic location (country/region level only)
  • Device type (desktop, mobile, tablet)

This information is collected in aggregate form and cannot be used to personally identify you.

3. Cookies

We may use cookies and similar tracking technologies to enhance your browsing experience. Cookies are small text files stored on your device. We use the following types:

  • Essential Cookies: Required for the website to function properly (e.g., remembering preferences).
  • Analytics Cookies: Help us understand how visitors interact with our site so we can improve it. These cookies collect information anonymously.

You can control cookie preferences through your browser settings. Disabling cookies may affect some features of the website.

4. Third-Party Services

We may use the following third-party services:

4.1 Analytics

We may use analytics services (such as Google Analytics or similar privacy-respecting alternatives) to understand website usage patterns. These services may collect anonymous usage data. We configure our analytics to anonymize IP addresses where possible.

4.2 Hosting

Our website is hosted on Vercel. Vercel may collect server logs including IP addresses as part of their standard hosting services. Please refer to Vercel's Privacy Policy for more information.

5. How We Use Your Information

The limited information we collect is used to:

  • Operate and maintain the website
  • Respond to your inquiries and support requests
  • Analyze usage trends to improve the user experience
  • Ensure the security of our website
  • Comply with legal obligations

We do not sell, trade, or rent your personal information to third parties. We do not use your data for advertising purposes.

6. Data Security

We implement appropriate technical and organizational measures to protect information against unauthorized access, alteration, disclosure, or destruction. Our website uses HTTPS encryption to secure all data in transit. However, no method of transmission over the Internet is 100% secure, and we cannot guarantee absolute security.

7. Your Rights

Depending on your jurisdiction, you may have the following rights regarding your personal data:

  • Right to Access: Request a copy of any personal data we hold about you.
  • Right to Rectification: Request correction of inaccurate or incomplete data.
  • Right to Erasure: Request deletion of your personal data.
  • Right to Restriction: Request that we limit how we process your data.
  • Right to Portability: Request your data in a structured, machine-readable format.
  • Right to Object: Object to the processing of your personal data.

To exercise any of these rights, please contact us at contact@obwheelcalculator.com.

8. Children's Privacy

Our Service is not directed to children under the age of 13. We do not knowingly collect personal information from children under 13. If you believe we have inadvertently collected such information, please contact us immediately so we can take appropriate action.

9. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Changes will be reflected by updating the "Last updated" date at the top of this page. We encourage you to review this policy periodically to stay informed about how we protect your information.

10. Contact Us

If you have any questions or concerns about this Privacy Policy or our data practices, please contact us: