I believe w/ EPT, it will show a positive if hcg levels are at 50 or higher. How many days past o are you, do you think? I would get yourself a First Response Early Result (Which picks up at 20-25 hcg) and see what that comes out w/ FMU.
I am sorry about your loss and hope that this month brings you a

KUP and
Hope to get to know you better!