My last period was in the middle of May, And me and my bf had sex the beginning of the month(June). I have been having all the symptoms. tender breast, food craving, a little bit of cramping every now and then. I believe I'm prego but I took a test this afternoon and it came out neg. I will be 3 weeks tomorrow. should I wait to take another test? Is it to soon to test.? The waiting is killing me.