5.5 weeks - spotting and cramps

Has anyone experienced spotting and cramps around 5-6 weeks that didn’t result in a miscarriage? I am 5.5 weeks and very nervous that this is the start of a miscarriage. I had a chemical back in June so am already assuming the worst. This is my first pregnancy so not sure what’s normal. Going to get my HCG levels checked on Friday and can’t fathom how I will keep my mind off this for two days. Thanks!