Trigger still not out of my body:/

Sophie • Baby 2 on the way
I had a 5000 IU pregnyl trigger this cycle.today is 13 days post trigger and i am still getting positives..but todays is a little fainter than yesterdays..so i am not getting hopes up for a bfp..usually 10000 iu trigger gets out of my body in 9 days.. I dont understand what is wrong with this cycle..somebody please help!!