to take a test or not to

I had a miscarriage in September and had to have a d&c done. Doctor told me within 8 weeks of the d&c I should have a period, if not then to take a test and see if I'm pregnant. Friday will be 7 weeks since my d&c. I've had spotting since Saturday(this would be the 4th day) I also had mild cramping Friday, and some cramping today. Do you guys think it could be my period slowly creeping up on me, or maybe a chance of pregnancy?  My boyfriend is convinced I'm pregnant. But I'm too scared to take a test. Negatives after a miscarriage is like a huge slap in the face.