Rare monoamniotic twins delivered at Packard Hospital
A dramatic delivery at Lucile Packard Children's Hospital has saved the lives of twin girls who might not have survived to their first Christmas, the hospital has announced. Kate and Annie Carlson were born Nov. 7, but they shared the same amniotic sac in their mother's uterus, which is a rare and dangerous condition, hospital officials said. Photo courtesy of Lucile Packard Children's Hospital.

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