 [ Symptoms ] could i be pregnant so my last period was on july 21 then according to my charting my period was due about august 17 on august 14 i began spotting on 15th and 16th bleeding then nothing my normal cycle lasts about 4 5 days and normal 26 28 days took urine test on august 19th was negative please help been trying to conceive since february 2014 [ Disease ] hi take it your not on bc well the only thing you can do is get to your doctor and get a test done there this way you will know for sure or it could be just a skipped period these do happen good luck