I been on depo for 2 years. I been off for 3 months .i usually dont have periods . but i had one recently ig and it stop for 2 days then came back for 2 days and now theres nothing. I have nausea , headaches , tiredness, and more.... I dont know if im pregnant for sure or is it depo side effects when you get off it. I took a pregnancy test 2 days ago and it said negative... Im not sure why i feel the way i feel. I need answers.