What I've learned is DON'T CHEW GUM at delivery, or at least spit it out before the video starts!
I just watched our delivery video for the first time and I looked completely ridiculous chewing gum! I was chewing gum during labor to keep my mind off the pain, but definitely should have spit it out and not continue to chew the ENTIRE time. And it wasn't one piece, I had a good half pack of Bubbalicious gum in my mouth! Aye!