I think I ate mold?

The other day I may have eaten some pierogies that weren't good anymore. I had diarrhea with pretty intense stomach cramps. The whole ordeal lasted about 2 hours and I haven't had any GI issues since. Should I be worried? Should I call my ob? I just recently had my first appt (at 14 weeks, gah!) and everything was fine, so my next appt isn't for another month... my boyfriend doesn't think there's anything to worry about, that the cooking process and the acid in my stomach probably killed the mold before it could get to the baby and that the diarrhea was a fluke, but I can't stop freaking out that something bad is going to happen.