Hard to say: Genetics play a role in cleft lip and palate formation. Even though the cleft lip and palate can run in families the genetic cause cannot always be identified. Currant research is looking at genes known to play a role in cranio-facial development.
Answered 1/25/2014
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Small: If you are the only affected family member with a clcp, then your risk for having a child with clcp is about 2-5%. http://www.cleftline.org/docs/booklets/gen-01.pdf.
Answered 11/28/2017
4.7k views
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