Requirements for Application for Emergency Medical Technician (EMT) Certification for Military Trained Applicants: Current and former Navy Corpsmen applying for Emergency Medical Technician (EMT) certification must meet requirements specified by the National Registry of Emergency Medical Technicians (NREMT).
Ectopic Pregnancy. An ectopic pregnancy can cause lower back pain and lower abdominal pain. An ectopic pregnancy occurs when a fertilized egg becomes implanted in a location outside the uterus.
1 Abdominal distension: Your belly sticks out more than it did before without weight gain.  Abdominal pain: This is rare in colon cancer. One cause is tearing (perforation) of the bowel. Leaking of bowel contents into the pelvis can cause inflammation (peritonitis) and infection.