How long for HCG to get to 0 after MTX?

Danielle

How long did it take for your hcg to get to 0 after a ectopic and one dose of MTX. My day 4 was 923 and just had my day 7 draw. The mass was 2.4 cm at the day of the MTX shot. My hcg never got above 1,000.

Thanks.