found out through a pelvic us that there is excess tissue and fluid in endometrial canal. history of cancer on my dads side of the family which just happened within the last 6 years. 3 out of 4 family are deceased. need to see a gyno... is lower back pain anything to do with this . I also had a septate uterus which was removed 2 years ago. uncontrollable, heavy menstrual cylces since I was 15. and now a year after my daughter been born I am having these messed up menstrual cycles