Hcg levels

I had an issue yesterday with cramping and blood, went and got checked out, said baby is fine and cervix is good. My hcg was 139,999 and to test it in two days to see if it had lessened any. So because of my anxiety I took a test at home and it is def lighter than the previous ones I took. Could this still be the hook effect? Would my levels go way down in just one day even if it was a miscarry?

#Pregnancy7Weeks