I Have Had Acolonoscop Surgey For My Hemmorhoids. I Am

I have had acolonoscop surgey for my hemmorhoids. I am seeing a women specialist now. She said that there is old blood that is passing from me and it leaves an stool odor causing to my vagina. tell me is this true? My vagina smells and the underpanties that I wear has an embarrassing stain in rhem ? help