I was suppose to get my next depo shot in December 19th but couldn't get in to see my doctor, I had unprotected sex on the 6th and the 9th. I've been feeling really off lately like having some pregnancy symptoms such as leg cramps, nausea, overly tired, massive mood swings, gaining weight, no period but I had a period at the end of October going into November and it last 3 weeks but haven't gotten one since... Could I be pregnant or is it just effects of the depo leaving my system still?