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Cleft lip and palate can have a genetic component, and there is evidence that genetic factors play a role in the development of these conditions. The risk of having a child with a cleft lip and/or palate is higher if there is a family history of the condition. However, the inheritance pattern can be complex, and it is often influenced by multiple genes and environmental factors.
In some cases, cleft lip and palate occur as part of recognized genetic syndromes or conditions. For example, certain chromosomal abnormalities or syndromes, such as Van der Woude syndrome or Pierre Robin sequence, may include cleft lip and/or palate as one of the associated features.
While genetics contribute to the risk, it's important to note that the majority of cases of cleft lip and palate occur sporadically, without a clear family history. Environmental factors, such as maternal smoking, alcohol consumption, and certain medications during pregnancy, can also increase the risk.
If there is a family history of cleft lip and palate or if a previous child has been born with these conditions, genetic counseling can be valuable. Genetic counselors can assess the risk, provide information about potential genetic factors, and offer guidance on managing and reducing risk factors during pregnancy.
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