Ever since I been on the depo shot . I have taken it off and on . My boyfriend and I have sex very often and we always have unprotected sex and he always cums in me . I was supposed to take my shot November 25th but I wanted to get off . I started spotting and cramping so I ass my period was on . I had the period spots off and on but most of the time it was frequent until it came off yesterday. I had sex yesterday and of course it was unprotected and he cum in me about 4 times . I been feeling like I was pregnant for about a week but the symptoms got extremely worse last night . I have nauseou but i can't throw up . I wake up at night feeling horrible. I have headaches my back is killing me and I just feel really sick since last night