<prompt> A 27-year-old has just had an ectopic pregnancy. Which of the following events would be most likely to predispose to ectopic pregnancy?Previous tubal surgeryPelvic inflammatory disease PIDUse of a contraceptive uterine device IUDInduction of ovulation  <response>: Any factor delaying transit of the ovum through the fallopian tube may predispose a patient to ectopic pregnancy. The major predisposing factor in the development of ectopic pregnancy is pelvic inflammatory disease. However, any operative procedure on the fallopian tubes may increase a patients risk. It appears that tubal sterilizations with laparoscopic fulguration have a higher rate of ectopic pregnancy than tubal ligations performed with clips or rings. Women who have had one ectopic pregnancy are at increased risk of having a second. DES exposure, induction of ovulation, and IUD use increase the possibility of ectopic pregnancy 