<prompt> Which one of the following casues the greatest risk of ecotpic pregnancy :Pelvic inf!amatory diseaseIUD usePrevious ectopic pergnancyPrevious MTP  <response>: Ans. is c i.e. Previous ectopic pregnancy Prior tuba damage, either from a previous ectopic pregnancy or from tuba! surgery to relieve infeility or for sterilization, confers the highest risk of ectopic pregnancy. 