All perfect praise be to Allaah, The Lord of the Worlds. I testify that there is none worthy of worship except Allaah, and that Muhammad is His slave and Messenger.
You did not mention to us, dear sister, how many days the charges lasted after you became pure for three days; this is what you said that you had again blood discharges on the 10th day.
Anyway, what we say is that the bleeding that you had after it was interrupted is considered as menses if the total days from the first previous menses (which lasted for 5 days) to the last day of the new bleeding did not exceed 15 days, in which case, the new bleeding should be added to the previous bleeding and it is considered as one menses.
For more benefit, please refer to Fatwa 83621.
Allaah Knows best.