Cookie Policy
Last updated: 6 July 2026
This Cookie Policy explains how Fertility Signal (a service of Marylebone Diagnostic Centre) uses cookies and similar technologies on our website (fertilitysignal.com) and patient portal.
By continuing to use our website, you consent to our use of cookies as described in this policy, subject to your preferences.
1. What are cookies?
Cookies are small text files stored on your device (computer, tablet, or mobile) when you visit a website. They help websites remember information about your visit, such as your preferences and login status, and allow us to improve your experience.
2. Types of cookies we use
Essential cookies
These are necessary for the website and patient portal to function properly. They cannot be disabled. Examples include:
- Session cookies for keeping you logged in to the patient portal
- Authentication cookies for verifying your identity
- Security cookies for protecting against unauthorised access
Functional cookies
These remember your preferences and improve your experience, such as language settings or previously entered information.
Analytics cookies
These help us understand how visitors use our website, so we can improve it. We may use analytics services such as Google Analytics. These cookies collect information in an anonymous form, including the number of visitors, the pages they visit, and how they arrived at our site.
Performance cookies
These help us optimise the loading speed and performance of our website. They may be provided by our hosting or content delivery providers.
3. Third-party cookies
Some cookies on our website are placed by third-party services we use, including:
| Provider | Purpose |
|---|---|
| Vercel | Application hosting and performance |
| Google Analytics | Anonymous usage analytics (if enabled) |
| Google Fonts | Loading web fonts for display |
4. Managing your cookie preferences
You can control and manage cookies in several ways:
Through our cookie banner
When you first visit our website, you will see a cookie banner allowing you to accept or customise your preferences. You can update your choices at any time.
Through your browser
Most browsers allow you to view, delete, or block cookies. Instructions for common browsers:
Please note that disabling essential cookies may prevent parts of our website - especially the patient portal - from functioning correctly.
5. How long do cookies last?
Cookies can be:
- Session cookies: deleted when you close your browser
- Persistent cookies: remain on your device for a set period (typically from a few days to a couple of years)
6. Changes to this policy
We may update this Cookie Policy from time to time to reflect changes in technology or the law. The "Last updated" date at the top of this page indicates when the policy was most recently revised.
7. Contact us
If you have questions about our use of cookies, please contact:
Fertility Signal / Marylebone Diagnostic Centre
73 Baker Street
London W1U 6RD
United Kingdom
Email: tharb@marylebonelab.co.uk
Phone: 020 7724 0540
For more information about your rights under UK data protection law, please see our Privacy Policy.