Margarita Velasco delivered the twins by cesarean section at Tampa General Hospital.
Marcello was delivered just before midnight. His twin, Stephano, was delivered just as the new year began.
Their father Juan says it'll be good for each boy to have his own birthday party.
The twins are in intensive care because they were born about 10 weeks early. Doctors say they'll get to go home in about eight weeks.
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Information from: WFTS-TV, http://www.wfts.com/
