Aaaaaaahhhhhhhh!!!!!😢😢😢😢😢😢

We are TTC and my period comes in 4 days and tonight OMG my stomach started hurting really bad !!!! I mean Really really really really bad!!! I threw up twice everything I ate in life ..... My stomach is still hurting as I'm typing this.......I had to stop typing for 4min that's how long they last and its baaddddd and my chest hurts but it always hurts before my period so I'm confused as to what is going on with me