A baby born weighing just one pound, 10 ounces is finally well enough to leave a local hospital.Four-month-old Enzo Ocio left UC San Diego Medical Center in Hillcrest after being born weighing a mere one pound, 10 ounces."It's shocking. We're just giddy because we never thought it would happen," said mother Nina Ocio. "All of a sudden they told us he was coming home."Nina Ocio and her husband, Rodolfo, are first-time parents. They have been coming to UCSD Medical Center every day since October 10, when Nina Ocio went into pre-term labor at just 25 weeks."You never imagine its going to be this way. You think your third trimester is going to be glorious time. But you're watching a fetus develop in front of your eyes and its beyond your realm of imagination," Nina Ocio said."We saw other babies in the NICU and they were huge to us," said Rodolfo Ocio. "They were coming out like 10 pounds, and he was one pound, 10 ounces when he was first born."Along with Enzo's premature delivery came some health problems like pneumonia, e-Coli and a bladder infection all at the same time."For weeks he was on a ventilator, and you just live for these little improvements every day," added Nina Ocio.The couple witnessed their son's Improvements from a small area of the Neonatal Intensive Care Unit, their home away from home. The Ocios would spend up to eight hours a day there, where the nurses became like family."Its been amazing to watch him grow," said NICU nurse Brooke Cash. "I have pictures from when he was just little and wrapped in a really small blanket. Its just amazing to see him out of the crib."Enzo's improvement finally led to Monday's monumental step towards home. He now weighs 8 and a half pounds."It's bittersweet," added NICU nurse Andrea Reynolds. "It's a journey. When they're ready, they're ready and he's ready."Nina Ocio told 10News that it is incredible that they get to bring him home.