How Cleft Lips Occur in the Womb

Plastic surgeon Andrew Ordon explains how cleft lips and cleft palates develop in the womb. Plus, meet Mia Robertson, the daughter of “Duck Dynasty” stars Missy and Jase Robertson, and see how she’s doing 12 years after being born with a bilateral cleft lip and palate. Click here to learn more about the Mia Moo Foundation.