Thanks for the query.
I understand your concern.
Sometimes though HCG levels may not getting doubled in every two days, persistent rise may indicating continuation of pregnancy.
But as you are having spotting, better to be careful and you may need HCG injections to prevent miscarriage.
Be in rest and avoid strenuous activities.
Please discuss these things with your doctor and follow her advice.
These Q&A’s are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.