Spontaneous Identical Quads

Meet Autumn, Brooke, Calissa and Dahlia...
A rare set of identical, naturally conceived quadruplets...doctors said the chances of naturally conceived quadruplets are about one in 13 million...
Officials said the newborns have defied the odds in more ways than one: not only is it rare to naturally conceive quadruplets, but it's unusual for such multiple births to be successful and healthy. It took less than five minutes to deliver all the quadruplets...
the Calgary Herald article is HERE