Late but pain in sides

If I’m late but have pain in my sides like right and left ovaries and a few cramps on Tuesday, which was around my period due date (I’m always regular, 28 days for years now.) how long should I wait to test? Again, im 6 days late so you guys think I should wait until Sunday morning or go the Doctors on Monday? Ik it’s possible bc stress might have made it not come and etc