<prompt> Not true about ectopic pregnancy:Previous ectopic is greatest riskPregesterone only pills doesnt increase riskIncreased risk with pelvic infectionsIncreased risk with IVF  <response>: Causes for ectopic pregnancy Pelvic inflammatory disease Congenital factors Salphingitis isthimica Previous surgery on the tube Assisted reproductive technology Intrauterine devices Cigarette smoking Previous ectopic refer pgno:158 sheila 2 nd edition 