I think i might have an Ectopic pregnancy but i am not sure. I am having bad sharp cramps in my left lower abdomen, where my IUD is. They kind of shoot down my leg. My neck and lower back as well as my upper back were so sore i could barely move last night, and my lower back is still very sore and crampy as well as my neck,I also had a fever last night and could not stop shivering.I have been having alot of bad headaches and have also gained alot of weight, which is abnormal for me. I took a hpt a couple of weeks ago when i was having similar but duller pain and it came out neg. I have already had my monthly last week and i am not spotting. I am not sure what is going on, could this be a ectopic pregnancy or something else. I know there is a risk of this with an IUD. I also had an abortion back in Feb and i know that can also cause a risk. Please help me and tell me if you think i should go to the dr.