I had unprotected sex a day or a couple days after my period ended. We didn’t go for a long time, but I’m still worried. In experiences, I have never noticed any precum. But a day or 2 after, there was kind of a bad smell down there, but then went away. And today, I had diarrhea after eating something and stomach has hurt ever since I went to the bathroom. Should I be worried that I’m pregnant?