At this point, it can go either way. Relax. And just try try try to stay busy to not think about it. Some beans get a slow start. Some start just fine, moms dates are wrong.
You won't know until you know. And if you like, you can get another beta, middle of the next week (try waiting a full 6 days)and you should see a substantial gain.
BFing, CDing, all natural mama to three boys! Certified lactation Counselor