Pain at the bottom of stomach, like the pit?

Lower abdominal pain: Referring to lower ab 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 or intestinal blockage.