Okay so i had intercourse, but my bf didnt ejaculate inside of me although we did not use a condom... I should get my period in 2 days. I have been very gassy a little emotional and not too hungry, i feel like a little pulling type feeling deep inside from my belly button.. the middle of my lower back constantly aches. and i'm alot more tired than normal i literally have no energy when i get off work. could i be pregnet or is it all in my head? could someone share some insight..