If you've never given birth before (like me ... because I'm a guy) then you may not know that not all contractions are the same. In the video, Chambers explains the difference between the deceptive Braxton Hicks contractions and what she refers to as the "real" contractions.
She made the video for her niece, Charlotte, who is working to become a childbirth educator like her aunt. Check it out:
Fascinating, right? I guess the only difference is that in real life the balloon is a uterus, the ping pong ball is the size of a baby and the whole process takes hours instead of seconds. No problem.