Am I foolish to hold on to hope?

De
I think I am miscarrying but I am foolishly holding on to hope. 
I bled heavy today with some tissue/clots for about 3 hrs. Now the bleeding has just about stopped and the cramping has lightened.
I am about 6weeks and I have an appointment tomorrow to check to see if I did miscarry.
Am I foolish to hold on to hope?