Cramping

Okay, so I have been TTC for about 7 months now. In November 2014, we found out we were pregnant but in December, went for our second appointment and heard the bad news about a miscarriage. I have desperately been trying ever since and I've been freaking out every month about it (I know that's not good but I can't help it). I just want to be pregnant so bad. So ever since the miscarriage, my periods have always been 42 days apart, so when I started using glow, it gave me a fertile window. It said I would be in my fertile window from about June 1-4 and I know it's pretty early, but I should be starting my period in a week. I'm going to wait until at least that day to take a test, but I was wondering what other people thought because I've been having cramping today, but I think that's my only sign, but I shouldn't have menstrual cramps yet, right? I also checked my cervix and its medium and soft, I'm not sure if it is open or not. If you have any opinions, please respond!!