Am i pregnant?????????????????

Well i had sex before i started the pill and a week later the guy left me and i started the pill. Im now on my second month snd i got my period the first month and now on my second month im not getting my period,just spotting. And i could be prego. I dont know. Im very scared. I have crsmps but no other symptoms so far and im kinda chuby so i cant tell if im geting fatter but i gsined 10 pounds but it can happen with the pill which i guess my body isnt used to it but im scared. Someone help? D: