Could I Be..., Pregnant : ( Options

[DeadlyKitten]

i last had sex sometime between december 3rd and the 14th. my period usually comes twords the end of the month. in december i didnt get my period. and now in january i didnt get it. its not un common for me to skip a month or 2 cause since i've started my period ive never had my period for more then 4 months in a row. but ever since the end of december till now i've been so tired, almost always nausious, i've been gettin actional stomach pains and i'm pee'ing more frequently. could i be pregnant? i'm almost 20 and my bf is 20 and i'm no where near wanting kids because i dont have the money or know where im going with my life. the people at work said it could be stress cause me and my bf have been fighting and because ive been haven problems at work.i just don't feel right. i havent taken a prego test yet because i'm so scared. i looked up stuff online and asked people and it could be a number of things. can someone that had a baby help? i need some good advice. i'm seriously crying over here.