ive only had 2 injections of depo provera my last one was april 2012 so its been about 8 months. 1 momth after the 3 months was up i bled for 3 weeks straight with extremely bad cramps and some fatigue lasting a couple months. my boobs were starting to get sore nov 18 2012 theni had unprotected sex nov 22 2012. since the sex my boobs got worse, backache,fatigue,mild carpal tunnel jus all preg symptoms. can all this still be withdrawal though even tho i bled for 3 weeks as a period?