<prompt> Highest risk of ectopic pregnancy is with:Intrauterine deviceSurgery for previous ectopicSalpingitisSalpingitis isthmica nodosa  <response>: Ans. is b. i.e. Surgery for previous ectopicRef: William Obs 25e Pg 371Surgeries for a prior tubal pregnancy for fertility restoration or for sterilization confer highest risk of Ectopic. William Obs 25e pg 371 