Privacy Policy
Last updated: [date]
The short version
We collect almost nothing. The calculators on this site run entirely in your browser. We do not store your dates, your inputs, or any personal information.
What we collect
Information you provide
When you contact us, we receive your email address and the contents of your message. We use this only to respond to you.
Information we collect automatically
We use privacy-respecting analytics to understand which pages are popular and how the site is used. This includes:
- Pages visited
- Approximate geographic region (country level)
- Browser and device type
- Referring site (if any)
We do not use this information to identify you. We do not build profiles. We do not sell or share this information.
What we do NOT collect
- We do not store your calculator inputs (dates, cycle lengths, etc.)
- We do not use cookies for tracking or advertising
- We do not use third-party advertising networks that collect personal information
- We do not sell, rent, or share any information with third parties for their marketing purposes
Cookies
We do not use cookies. The site functions entirely without them.
Third-party links
Our guides may contain links to third-party websites, including affiliate links. When you click an affiliate link, the destination site may collect information about you, including through cookies. We are not responsible for the privacy practices of third-party sites. We encourage you to read their privacy policies.
Data retention
We retain contact form messages for up to 12 months, after which they are deleted. Analytics data is retained in aggregate form only.
Your rights
You may request access to, correction of, or deletion of any personal information we hold about you by contacting us. We will respond within 30 days.
Changes to this policy
We may update this policy from time to time. Changes will be posted on this page with an updated revision date.
Contact
If you have questions about this privacy policy, please contact us.