Till time
beta hcg is completely negative.. you can't say it is completed or not and in current scenario what it is...
It should be follow up properly as there are some many more things is there in medical science other then missed abortion, incomplete abortion and abortions .. plz go and consult obstetrician ...
Next Steps
you need proper follow up with usg and
beta hcg
if needed further treatment accordingly in case beta hcg is not completely negative, and there is some activity on usg ...