Rare identical quadruplets born in Australia

Dr Alexa Bendall, who cared for the mother from the start of her pregnancy, estimated identical quadruplets occur "at one in every 15 million pregnancies" and said "but to share the same placenta - this is unheard of".

So the fact that we've got four beautiful, healthy babies born at 28 weeks and four days is incredible and we're very happy to be a part of it," she added.

The hospital said the girls' mother, 34-year-old Jenitar Na'amoana, and her husband Jortham, already had four children and were taken by "immense surprise" when told to expect quadruplets.