ClearBlue Digital Pregnancy Test

Tiffany

Hello! So lastnight I took a digital pregnancy test and it said “pregnant”. 5 hours after that I took another one and it read “not pregnant”. What would be the cause of that? I haven’t been pregnant since 2008 and my boyfriend & I have been trying for years now. Also it’s 3 days before my period is supposed to arrive. Should I wait til my period comes before I make a dr appt?