Hi Dr. I am 26 year married lady and face few problem like my period miss in september then my mensuration cycle start 19 oct to till 15 nov and Dr. diagnosis its bit vaginal infection or internal bleeding she give me medicine and after few day my bleeding stop, but my stool still black. Can I know why my potty or stool still in black colour? My bleeding stop now but during sex I feel irritation and pain very much.