Pregnancy test to detect early pregnancy The Clearblue Ultra Early Test Digital is a pregnancy test that detects the pregnancy hormone hCG with a sensitivity of 10 mIU/ml. This means that the test can be carried out 6 days before the missed period (5 days before the period is due).* The digital display panel shows the "Pregnant" or "Not Pregnant" result. Features: Ergonomic design Extra wide test tip for easy sample collection Stop light that flashes as soon as enough urine has been collected by the test tip Floodguard technology to reduce user errors Smart countdown that shows the time until the result *78% of pregnancies can be detected 6 days before the missed period.