So.
I had sex 2 weeks ago.
Im having bad cramps.
im expecting my period in the next few days
i had diarrhea yesterday
nausea.
and headaches...
my boobs just started hurting...
and im kinda bloated...
but its been like this for about a week...
please help me?
oh and we did it 3 days after my period
and he jizzed inside

It could be pregnancy or PMS. Unfortunately the symptoms for both are very similar. The only way for sure is to wait until your period is due. If your period comes then you're fine, if not then you need to take a pregnancy test. Good luck!

you are not pregnant.