pregnant

i was supposed to get my period november 27 and had sex that day unprotecteted and he pulled out. i know about precum and i was so scared and stressed about school i thought that maybe when i was out on winter break i would get it but i still didnt get my period. im now 46 days late and still no signs of anything!! im so lost. i know everyone is different but arent you supposed to start having pregnancy symptoms around 5-6 weeks this saturday it'll be 7 weeks and i have no symptoms of pregnancy. or period. 
PLEASE ANSWER if you know anything.