Adenomyosis is a condition very similar to endometriosis. However, instead of endometrial tissue developing outside of the uterus, adenomyosis manifests as abnormal tissue growth inside the muscular wall of the uterus. The abnormal growth thickens and hardens the uterus. The condition, due to the hyper-stimulation of endometrial cells during menstruation, causes painful bowel movements, bleeding in between periods, painful periods, severe …