First Response Pregnancy Test Results How Reliable Are The First Response Pregnancy Test Results?

How reliable are the first response pregnancy test results? - first response pregnancy test results

I did the test 3 days before my pregnancy because I am none of tension ... Dizzy and I do not feel, but the result was negative and the U-box says it can take up to 5 days prior to the cessation of menstruation .. funny feelin 'I was in my head, or the chance that the result is bad?