Okay ladies this is super TMI, but since Friday I have had diarrhea, back pain and my baby has felt…

Okay ladies this is super TMI, but since Friday I have had diarrhea, back pain and my baby has felt super low. Today I've started throwing up too. I got my flu shot - I'm just nervous this is the beginning of preterm labor :( I'm not ready yet! Anything like this happen to you??