Contact us

The easiest way to reach us is by email. We try to reply within a few days.

What you can write to us about

• Errors: if you think a result, explanation or source is wrong, please tell us which page and what you expected. We take corrections seriously.
• Questions about the tools: how a calculator works or why it gave a certain result.
• Suggestions: new tools or guides you would find useful.
• Privacy questions: anything about how this site handles information.

What we cannot help with

We are not doctors or genetic counselors, so we cannot give personal medical advice, interpret test results or answer questions about parentage. For those, please speak with a qualified healthcare professional or a genetic counselor. See our disclaimer.

Your privacy when you email us

This page has no contact form. The button above opens your own email app. If you email us, we receive your email address and whatever you write, and we use them only to reply to you. Please do not send health records or other sensitive personal details. More in our privacy policy.