A Retrospective and Prospective Cohort Study Comparing Pediatric Patients With Cleft Lip and Palate From the United States and Guatemala.

Orofacial clefts (OFC) remain among the most prevalent congenital abnormalities worldwide. In the United States in 2010 to 2014, 16.2 of 10,000 live births are born with OFC compared with 23.