Took two test two different places

Stephine
Well I took two different pregnancy test and one was at home when I got up and one was at the clinic a few hours later the one was at home was a clear blue digital and it was positive and the one at the clinic was the ones they get and it was negative and I'm also almost 5 days late for my period this month two,I was to start Saturday June 13 so what's this mean I'm new to all this stuff