After constipated bowel movement I get severe menstrual like cramping and even vaginal bleed no periods anymore due to iud. History ovarian cysts?

Address constipation. You shouldn't be worried that you have some vaginal spotting when you are constipated and pushing hard. The history of ovarian cysts is not worrisome either unless you are having pain with sex, or general abdominal pain, increased fullness or strong family history of ovarian cancer. If so, see md. Address the underlying constipation with increased fluids and some MiraLAX (polyethylene glycol) (or generic equivalent).