Abnormal periods bleeding after ?

i'm having a colopsapy(think thats right) i have had one before and had some erosion burnt and am having a scan in two weeks.This time my bleeding is diffrent the doc did swabs said my cervix bleed v easly and looked blistered(have no infections)this causes pain and bleeding for two - three days after me and hubby have s*x.I also had a misscarrage in april and since then i have had periods for two weeks every two week v heavy that make me dizzy and sick by week two any one any clues as to what could be wrong thanks