Confused

Brittany
I took a text 5-19-16 it had a very faint line the same day I started my period but it was not the same as usual and only lasted 3 1/2 days I took another test 5-23-16 and it had a faint line this morning when I looked at it the line was way darker I also have takin 2 digital test and they both said no what do you think