A member asked:

How often does biliary atresia occur and who is more likely at risk?

4 doctors weighed in across 2 answers

1/ 10-20,000 births: The cause of biliary atresia is unknown, although several mechanisms have been implicated including viral infections, genetic causes and toxin exposure.

Answered 6/20/2014

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Uncommon: It occurrs about one in 4500 to 5000 live births. All babies are at risk, although there seem to be some areas of the globe that have a slightly higher incidence.

Answered 10/4/2016

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