Baby dust to all of us! !

Hi ladies did any one of you got a positive with 11dpo or 12dpo???. How many time should I wait??.. I to a clear blue pregnancy test today but it was in the afternoon and it came put saying "not pregant" ... but I was ovulation day on the 18 of December and on Christmas eve I spot a little be but very fainted and on the 25 and 26 ... but my period is supposed to come on January 6, 2016 .. what should I do ??..I feel so hopeful but at the same time so scared that maybe is going to be a negative again :'(