Hcg level

Rosetta

Found out I was pregnant on

Oct 5,2022 Hcg was 46

Oct 10,2022 Hcg was 911

Oct 20,2022 Hcg was 22956

Do I need to be concerned first ultrasound showed 1 sac now on the second on it looks like 2 sacs do it rise faster with 2 babies. Check comments