What causes you to have lower stomache pain?

Abdominal pain : Causes of lower abdominal pain include but are not limited to: appendicitis, bladder infection or inflammation, inguinal hernia, diverticulitis, ulcerative colitis, crohn’s disease, kidney stone or infection, cancer, pelvic inflammatory disease, seminal vesicle inflammation, ectopic pregnancy, endometriosis, ovarian cyst, aortic aneurysm, injury & intestinal obstruction.