I ve need to ask a question? To you

Patient: I ve need to ask a question? To you I have no normal periods ) I been on several birth control been on them since 2002 ) and 2004 witch I had one depo shot that year. And year of 2008 and 2009 and 2010 was placed on the depo provara and 2011 trispintec birthconrol of 2011 they did a switch with the 2 birth control then year of 2012 then they put me on another birth control called zenchent then they change it too balziva birth control and now I’ve been off the pill I’ve haven’t had a normal period it’s been skipping 1 month don’t get it and two do it’s been a pattern I need help and my name is Jennifer Newkirk and would like to no what wrong with my body like I said I been off the pill since October 2012 thanks?