What is a false-positive?

False positive is a test result which indicates that a person has a disease or condition when, in reality, that condition/disease is not present.

Since you added this to completely different categories I'll give it my best shot. A false positive test means the test strip (or reagent) is reacting to something that isn't there. In the case of...

yes there is a false positive! I have two kids and about 2 months ago I though I was pregnant again. I took the ept and it was positive, then I took another one the following morning and it was...

you can have a false negative but NOT a false positive

....When i found out i was pregnant with my 3rd child i had a test done at the doctors that showed up negative, i then got transfered to the hospital for an xray on my chest but because i said their...