A baby girl has been born with two mouths due to a condition so rare that it has only been seen in 35 recorded cases since 1900.

Doctors were initially baffled when the abnormality was picked up on a scan during the mother’s third trimester.

Their initial range of possible diagnoses included a cyst, a bone disorder or teratoma, which is when a twin absorbs another during development

But when the infant was born in Charleston, South Carolina, doctors found what they described as a “duplicated oral cavity”, or second mouth.

This included another lip, set of six teeth and even a small tongue that moved at the same time as the tongue in her main mouth.

Although the condition was seemingly harmless, they performed an operation to remove the additional feature. (Agency report)

Baby born with two mouths due to ‘extremely rare’ condition