One of the things they asked us in the immigration interview was: what would you do for work if you can't find work in your field?

Depending on where you live, Jen won't need a field, per se - a set of skills will do fine.

Because maternity leave is 1 year here there are always 1 year contracts floating around - that was how I got my first job here (oh yeah and my first teaching job was a mat leave contract)...

This is the sort of official site for work in Canada:

http://www.hrsdc.gc.ca/en/home.shtml