Human Fertilization and Embryology Authority

The Human Fertilization and Embryology Authority said fewer than five babies have been born this way in the U.K. but did not provide further details to protect the families’ identities.

Britain requires every woman undergoing the treatment to receive approval from the Human Fertilization and Embryology Authority.

Britain’s Human Fertilization and Embryology Authority said fewer than five babies have been born this way in the U.K. but did not provide further details to protect the families’ identities.

“There is limited evidence on risks and success rates, and it should only be used cautiously in cases where alternative treatments would be of little or no benefit,” a spokesperson for the Human Fertilization and Embryology Authority said in a statement about the birth.

Parliament concurred and in 1990 established the Human Fertilization and Embryology Authority, the first statutory body of its kind and a model emulated by other countries.