MISCARRIAGE OR NOT?

HI I JUST FOUND OUT ON 9/13 THAT I WAS PREGNANT ON THUR I FELT MYSELF STARTING TO GET A UTI ON  FRI I STARTED BLEEDING PASSING SOME TISSUE EVERY ONCE IN A ONLY WHEN I PEE. I WENT TO DA DR AND MY HCG LEVEL WAS ONLY 116 AND HE SED SHOULD BE HIGHER IF IM 4 WEEKS PREGO. BUT THAT HE CANT SAY ITS A MISCARRIAGE YET. I HAVE TO GO BACK ON MONDAY FOR ANOTHER BLOOD TEST. NOW TODAY IS SUNDAY AND FRI I STARTED TAKEN MY MED FOR THE UTI AND THE BLEEDING STOPPED NOW TODAY SUNDAY SOMETIMES I BLEED AND ITS DARK BUT NOTHING HEAVY. AND HAVE NOT BEEN HAVING TO USE PADS AT ALL. ANY1 HAVE ANY IDEAS IF IM HAVING A MISCARRIAGE? IM NOT HAVING ANY PAINS OR CRAMPING AT ALL JUST STILL FEELING PREGO