Dawn Flemming is counting her blessings. Just six months ago, the Queens woman's unborn daughter Jade was given no chance of survival because a mango-sized tumor stretched across the baby's neck. "I could tell something was wrong by the doctors' body language," says Flemming, a 35-year-old nurse from South Ozone Park. "I noticed people coming in, passing looks at each other but not saying anything." They doomed Jade to die because the tumor blocked her pencil-thin airways, making it impossible for her to breathe once detached from the placenta.At 24 weeks, it was too late to have a legal abortion, so...