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What causes choanal atresia?

What causes choanal atresia is still unknown. It is often present with other conditions at birth. One theory involves the fact that, while developing, fetuses grow a tissue between their nose and mouths. It is speculated that chroanal atresia occurs when this tissue fails to go away like it is supposed to by the time the baby is born.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.