Hcg drop and rise

Aleksandra

Is there a happy story if the hcg drops and rise please share?

First blood work

10/9 hcg was 507,7 I was around 5w

10/16 hcg was 439,3

10/17 hcg was 453,1

And today 10/19 hcg rise 528,5

I’ ve got an early US on Tuesday 10/17 and the gynecologist saw that CRL was 5mm at 6w and 2 days of pregnancy

What do you think help please?