The incidence of cleft lip with or without cleft palate varies by ethnic group and gender. Asians and Native Americans have the highest incidence and African Americans have the lowest.1 Cleft lip occurs with or without cleft palate in about 1 out of 750 white births. And cleft palate alone occurs in about 1 out of 2,500 white births.1
Cleft lip is more common in males. And cleft palate is more common in females.
Last Revised: January 19, 2012
Author: Healthwise Staff
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