<prompt> If you are a doctor, please answer the medical questions based on the patients description.I have been experiencing lower back pain, light headedness, abdominal cramping. Always tired. I have taken numerous pregnancy tests. Not pregnant. I have a history of ectopic pregnancy. Still have one tube left. In the last 4 months many changes to my body as I have been watching what I eat and exercising. Have lost 52 pounds.  <response>: Hello, Welcome at Chat Doctor. I have read your question. It looks from your details that you had ectopic pregnancy at present you are feeling lightheaded, lower back pain abdomen pain. These symptoms can be there due to following reasons--Anemia-Adhesion formation after surgery for ectopic pregnancy-Low or high blood pressure should consult to your doctor should have following investigations--Routine blood examination.-ULTRA SONOGRAPHY Abdomen.-Serum electrolyte estimation. You should also ask for routine blood pressure examination. Till then, you may have relief by following--Take an antispasmodic medicine like dicyclomine on prescription from your doctor.-Avoid deny Chat Doctor. 