The rise in the incidence of ectopic pregnancy is related to all, except:

Today rate of ectopic pregnancies has increased dramatically partly due to a rise in pelvic inflammatory disease (PID), and partly due to a number of other issues. Previous pelvic surgery, congenital or acquired abnormalities of the uterine cavity and fallopian tubes may contribute to the condition, as does tubal microsurgery, drug ovulation stimulation, and ART.