Daphne Oz, a co-host of \"The Chew\" in New York, says she is pregnant with her first child. Oz, 27, is the daughter of heart surgeon and TV personality Dr. Mehmet Oz. She announced her pregnancy and showed off sonogram images of her baby during a taping of her show\'s season premiere Thursday, UsMagazine.com said. Oz married John Jovanovic three years ago. The baby\'s anticipated delivery date and gender were not disclosed.