A baby who weighed less than a pound at birth is finally at home.
Sienna Rose is now 5-months-old and 7 weighs pounds.
She was born at a suburban Chicago hospital last year, 15 weeks ahead of schedule.
Sienna weighed 13.7 ounces at birth.
Sienna has an 8-year-old big sister who was excited to actually touch her baby sister.
Baby born less than a pound goes home
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