On Sept.17 i had sex,Wich Was on one of my fertile days. and On tge 18th . I ovulated on tge 19, then on october 7th i had an irregular period, So i have been cramping and Crying Alot Lately for no reason. so Today November 5th, i have a doctors appt. BUT today i started bleeding out of my vagina As if it was a period But On My Panties its One Dot of blood but in the toilet its a Light Shade of Blood and theres jist a tiny bit of blood on my toilet paper. my period was doo on the 13 of november not now. Could i be pregnant?