Privacy Policy

Last Updated: December 22, 2025

1. Information We Collect

Fertility Tracker is designed with your privacy in mind. We collect minimal information:

  • Local Storage Data: Your cycle length, last period date, and cervical mucus observations are stored locally on your device only.
  • No Personal Information: We do not collect names, email addresses, or any personally identifiable information.
  • Analytics: We may use Google Analytics to understand how visitors use our site.

2. How We Use Your Information

Your fertility tracking data is used solely for:

  • Calculating your fertility predictions
  • Displaying your personalized calendar
  • Providing pregnancy probability estimates
  • All processing happens locally in your browser

3. Cookies and Tracking

We use cookies and similar technologies for:

  • Essential Cookies: Required for the website to function properly
  • Analytics Cookies: Google Analytics to understand site usage
  • Advertising Cookies: Google AdSense for displaying relevant advertisements

4. Third-Party Services

Google AdSense

We use Google AdSense to display advertisements. Google may use cookies to serve ads based on your prior visits to our website or other websites. You can opt out of personalized advertising by visiting Google's Ads Settings.

Google Analytics

We use Google Analytics to analyze website traffic. Google Analytics uses cookies to collect information about how visitors use our site. You can opt out by installing the Google Analytics Opt-out Browser Add-on.

5. Data Storage and Security

  • All your fertility data is stored locally on your device using browser localStorage
  • We do not transmit your personal fertility data to any servers
  • Your data remains on your device and is not shared with third parties
  • Clearing your browser data will delete all stored information

6. Your Rights

You have the right to:

  • Access your data (stored locally in your browser)
  • Delete your data (clear browser localStorage)
  • Opt out of analytics and advertising cookies
  • Use the website without providing any personal information

7. Children's Privacy

This website is intended for adults. We do not knowingly collect information from children under 13 years of age.

8. Medical Disclaimer

Important: This fertility tracker is for educational and informational purposes only. It should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always consult with qualified healthcare providers regarding fertility, contraception, and family planning decisions.

9. Changes to Privacy Policy

We may update this privacy policy from time to time. Changes will be posted on this page with an updated revision date.

10. Contact Information

If you have questions about this privacy policy, please contact us through our website.

11. Cookie Consent

By using this website, you consent to our use of cookies in accordance with this privacy policy. You can manage cookie preferences through your browser settings.

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