Medical disclaimer

The tests on this site estimate risk. They do not diagnose any condition, and a result is not medical advice.

Each test uses a published screening scale and names its source, year and limitations on its "About this scale" page. Screening scales miss some people who have the condition and flag some who do not.

A low-risk result does not rule out disease. A high-risk result does not confirm it. Only appropriate medical tests and a qualified professional can do that.

If you have symptoms, feel unwell, or are worried, see a doctor regardless of your result. In an emergency, contact local emergency services.