Im confused could i be......?

could i be prego me and my friend were having sex for a few months (unprotected) now i know what everyone is going to say you can get pregnant from unprotected sex and we had sex on june 3rd and he said he busted in me and i hope he was kidding but he said he wasnt kidding but anyway i had just gotten off my period two days before that and so far i have been have some neausa always hungry having to pee alot always tired boobs hurting on and off bad gas slight headaches and dizziness and my period is always regular and so far i havent gotten my period and i shouldve gotten it last week do u think i could be pregnant serious answers only