Nervous nelly

Candice

So I started getting my faint lines at 10 dpo and on 12 dpo I got a positive digital (yesterday). They drew my beta and it was 15. Of course I’m worried about it being low. I took another wondfo and another FRER this am and the wondfo looks slightly lighter. The FRER looks darker than my 10 dpo. I’m worried about the wondfo being lighter and having another chemical. Any helpful experiences?? The bottom wondfo is from this morning.