early pregnant signs

Mckenzie
im supposed start my period today.. a week ago i started felt verry bloated, very dizzy, lightheadedness and nausea some tenderness in my boobs...i usually dont have this before my period just cramps two days before...my last period was april 8-13 then fertile days april 19-25 we had sex the 22,26,27and may 2..can i be pregnant