My girlfriend missed her period 15days . she seen period on 15-18 of October we made pregnancy test we bought from pharmacy at 24 and 26 of November and showed that she is not pregnant . also she doesnt show any signs of pregnancy. no headaches dizziness put extra weight go more times to bathroom or put weight she is feeling fine. also i want to state that the last 2 months seen her period 10 days earlier. i want to ask what are ur thoughts on this.