If you have already had an ectopic pregnancy you have a slightly higher chance that a future pregnancy will be ectopic.

http://www.patient.co.uk/health/ectopic-pregnancy-leaflet

The chance is higher than average in the following at-risk groups:
If you have already had an ectopic pregnancy you have a slightly higher chance that a future pregnancy will be ectopic. If you have had two or more ectopic pregnancies, then your chances of another ectopic pregnancy are even greater.