Giving birth to a child abroad is not a privilege reserved to the stars and the very wealthy. An increasing number of expectant middle-class parents also fancy giving their children passports that they can feel proud of. "The return on investment is higher than robbing a bank," the consultancy agent tells women such as Liu. When Chinese children are born in America, they automatically become U.S. citizens. Once they reach 21, their parents will be able to apply for green cards and emigrate.