Other causes in women or men Examples of other possible causes of pelvic pain — in women or men — include: 1  Appendicitis. 2  Colon cancer. 3  Chronic constipation. 4  Crohn's disease.5  Diverticulitis. 6  Fibromyalgia. 7  Inguinal hernia. 8  Interstitial cystitis (also called painful bladder syndrome).ther causes in women or men Examples of other possible causes of pelvic pain — in women or men — include: 1  Appendicitis. 2  Colon cancer. 3  Chronic constipation. 4  Crohn's disease.