‘One in 15 million’: Brisbane woman gives birth to identical quadruplets

A thirty-four-year-old Brisbane woman has delivered four identical quadruplets from a single naturally conceived egg—an occurrence estimated at one in fifteen million, per The Guardian. She already had four children and wasn't planning another pregnancy, yet all four infants developed when her single fertilized egg spontaneously split into four separate embryos. The delivery is believed to be an Australian first, making this a medically exceptional event.

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