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Cleft lip or palate

About
Risks
Symptoms
Diagnosis
Prevention

Cleft lip and/or cleft palate are congenital conditions that occur when a baby's lip or mouth does not fully form during early pregnancy. A cleft lip appears as an opening or gap in the upper lip, while a cleft palate is characterized by an opening in the roof of the mouth that may extend into the nasal cavity. These conditions can occur separately or together, and they may vary in severity, affecting a child's ability to eat, speak, and grow normally.

The exact cause of cleft lip and palate is not fully understood, but several factors may contribute to their development, including genetic predisposition, environmental influences, and maternal health during pregnancy. Increased risk is associated with a family history of these conditions, maternal tobacco and alcohol use, diabetes, and certain medications taken during pregnancy, such as anticonvulsants. Additionally, ethnicity plays a role, with higher prevalence observed in certain populations.

Symptoms of cleft lip may include a visible split or gap in the lip, which can range from a small notch to a complete separation that extends up to the nose. Cleft palate symptoms typically involve difficulty with feeding, as infants may struggle to create a proper seal and may be at risk for aspiration. As the child grows, speech difficulties may arise, along with ear infections and hearing problems due to the connection between the mouth and the middle ear.

Cleft lip and palate occur when the tissues that form the lip and the roof of the mouth do not fully come together during fetal development. This can happen for various reasons, including genetic predispositions, environmental factors, and maternal health issues during pregnancy such as smoking, alcohol use, or certain medications. While multiple genes are thought to contribute to the risk, the exact cause remains multifactorial and not fully understood.

Cleft lip and palate are usually diagnosed during pregnancy through routine ultrasound imaging, though they can also be diagnosed at birth through a physical examination. A specialist may conduct a thorough evaluation of the baby's oral and facial structures to determine the presence and severity of the cleft. In some cases, additional imaging or genetic testing may be recommended to assess potential associated abnormalities or syndromes.

The primary treatment for cleft lip and palate involves surgical intervention, typically performed when the child is a few months old for the lip and between 6 to 18 months for the palate. Additional treatments may include speech therapy, dental care, and orthodontics to address functional and aesthetic concerns as the patient grows. Long-term follow-up is essential to ensure appropriate development and management of any associated anomalies.

While not all cases of cleft lip and palate can be prevented, some measures may reduce the risk. Women planning to become pregnant should maintain a healthy lifestyle, including taking prenatal vitamins with folic acid, avoiding smoking and alcohol, and managing chronic health conditions effectively. Genetic counseling may also be beneficial for families with a history of cleft conditions to better understand risks and planning for future pregnancies.
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