What Dangers Can Menses Bring In A Closed Uterus?

im53and havetaken warfarin for 10 years plus i protein c resistance i need an hysterectomy doctors have toldme this but they are reluctant 2 oporate because of this i am in painfrom abalsion op which left my uterus closed off i am told i still have monthly's which builds up but cannot come out because of my uterus being closed off is there any other reasonwhy thay wont op