pregnant?

Okay, so I posted yesterday, & the advice I was given was to test. Well, I did today after we got back home, & it was a First Response Early, the one with the weird handle lol. It's curved. There was a very faint positive line, but my fiancé saw it as well. After a few minutes, it disappeared, has anyone else had this? Should I make an appointment? It done this on 2 tests!