HCG Levels all over

Has anyone ever had HCG levels be all over the place and have a healthy baby? Losing hope. I’ve had a miscarriage before so I know how this can go.

Blood Draw 1: 2001

Blood Draw 2: 2800

Blood Draw 3: 5100

Blood Draw 4: 7000

48 hours in between. Ectopic has been ruled out. They’ve seen the sac and a tiny yolk sac but it’s to early for a heart beat or fetal pole. Not sure why my numbers barely increase the. Have a bigger increase then barely increase again??