Doctors said the infant suffered no effects from the injuries to her mother.
Two died as infants and a third suffers from a learning disability, the lawyers said.
She said the infant had suffered brain injuries and liver lacerations.
The infant would likely suffer hypoglycemia (low glucose level in the blood) after birth.
Many infants in Africa suffer from malnutrition because their mothers do not breastfeed them.
In addition, one infant suffered brain damage and seizures as a result of complications caused by his infection.
"Is there any way to prove, conclusively, that the infant was suffering from listeriosis?"
In 1977, a 19-month-old infant from Qatar was suffering from a mysterious illness.
A six month old infant and a three-year old child suffered life-threatening injuries.
Most appear to recover, although a few infants and people with suppressed immune systems suffer fatal brain swelling.