By Daily Mail Reporter PUBLISHED: 06:46 EST, 15 May 2013 | UPDATED: 12:33 EST, 15 May 2013 They are officially classed as twins, but three-year-old Alessia and her sister Lara Deleo do not share the same birthday. Instead of being born minutes or even hours apart, the sisters entered the world 16 days apart - a feat obstetricians say is incredibly rare. Parents Linda and Nick Deleo, both 38, had no idea there would be any delay with the birth of their twins girls. Twin girls born 16 days apart: Mother Linda Deleo pictured with her twins Lara, left, and Alessia, right
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Twin sisters Alessia and Lara Deleo were born more than two weeks apart
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Alessia was born naturally 26 weeks premature on February 2, 2010
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Her sister Lara was delivered by C-section 23 weeks premature on Feb 16
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