Hi am 23 i was on depo provera since july 2011 and i went of it marcch 2012,then i switch to pills which i used for 3month;my period came back the second month i started using pills but then stopped when i stopped pills: am nt on any contraceptive nw but still no period, i did pregnancy test more than 4times it came negative. Recently i start having sorw breast amd thick white discharge pls what could this be? Pls help