Made 13 weeks today, this happened

Veniece • 17, proud mommy to be 😊 love my baby boy to death 👶💙
I was just in an aerobics class and right at the end I began to feel as if I was going to pass out. My vision became blinded, I started sweating too much, and I was stumbling when I walked. I got very scared I just sat down and drank water. Should I be concerned if something is wrong ?