Cleft lip or palate is a common congenital midline fissure or opening in the lip or palate resulting from the primary palate's failure to fuse.Multiple genetic,and to a lesser extent,environmental factors may lead to the development of a cleft lip or palate.Which of the following is one factor?

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Factors that are associated with the potential development of cleft lip or palate are maternal infection,tobacco exposure,radiation exposure,alcohol ingestion,and the use of medications such as corticosteroids,some tranquilizers,and anti-epileptics.Cleft lip is more common in male infants.The use of antibiotic and antispasmodic medications during pregnancy is not associated with the development of cleft lip or palate.

Cleft Lip or Palate Is a Common Congenital Midline Fissure