Help!

Jessica
Was on depo shot from 2009-august 2015 and I know it can take up to 11 months to get your period back on track and it's coming up to the 11 month mark and I still haven't got my period. What should i do? Should I wait it out or go to the family doctor? I'm not pregnant because me and my fiancé barely have sex and I take pregnancy tests regularly to make sure. Anyone have any advice?