sarah stage , a 30-year-old underwear model and animal rights activist from los angeles , welcomed james hunter into the world on tuesday afternoon .
and despite her critics ' claims that her unusually trim figure could be damage to her unborn child , it seems their fears were unfounded .
sarah confirmed to e! that baby james weighed in at a healthy eight pounds , seven ounces and was 22 inches long at the time of his birth , adding .