Are these numbers good or have you had similar?

Monday 4+1 44.6 HCG

Wednesday 4+3 118.9 HCG

I need some advice. So I understand that as long as your numbers double and triple things are looking good & I am relieved to see these numbers have gone up since my first draw. BUT I’m having cramps (I know is normal, sometimes) and have been brown spotting the past 4 days. I am so nervous. I’m waiting for a call from my OB, but given the circumstances would you personally be concerned with this pregnancy with these numbers? I was very certain I was miscarrying before I got these results today and I just don’t know what to think. Advice would be really appreciated right now