| http://www.w3.org/ns/prov#value | - Cleft lip and palate and isolated cleft palate are the most common congenital anomalies of the face and skull, affecting approximately one in 700 newborns in the U.S. Of those children born with a cleft, a cleft of both the lip and palate affects about 50%, isolated cleft palate alone affects about 30% and a cleft of the lip alone affects about 20%.
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