The one-week-old boy is believed to be one of parasitic twins.
His conjoined twin was born prematurely and incompletely developed, which resulted in the second child having the extra legs, said Jamal Raza, director of the National Institute of Child Health in Karachi, to News.com.
Raza added that they were planning to operate on the boy and were considering asking for help from foreign experts with more experience in the rare disease, believed to afflict just one in one million babies.
He tried to clarify that the baby did not have six legs – he had two legs and the other four belonged to the other twin.
Operating on such a baby is not an easy task as proper assessments need to be done first,' he said. 'We need to figure out whether the baby has his twin’s limbs or his own. We also need to consider how much the internal organs have developed as the latter could complicate matters and decrease the baby’s chances of surviving.'