Communication disorders related to cleft palate, craniofacial anomalies, and velopharyngeal dysfunction.

摘要

Cleft lip and/or palate (CL/P) is a congenital anomaly caused by abnormal facial and/ or palatal fusion in the first trimester of gestation. CL/P can occur as an isolated condition, or it may be just one component of many malformations in an inherited syndrome. In fact, cleft palate is listed as a feature of over 200 recognized syndromes. Overall, it is estimated that 1 in every 700 to 750 children born in the United States each year is affected with a cleft of the lip and/or palate. In fact, clefts of the lip or palate are among the most common of all birth defects.