Help. I'm late.

I'm honestly not that stressed. .... Like why is my period 6 days late going on 7.

My bf n I have unprotected sex. And he came inside me at the end of April & beginning, of may.

Preggo test peeing at doc neg.

And. 88 cent test negative. (Took two days ago) then looked at it this morning and it said pregnant. So confused)