看美國ICE官員是怎樣回答你的疑問的:
"It's not illegal to come to the US and have your baby born here as a US citizen, but it's illegal to lie about that during the visa application process and when you are applying for permission to the United States."
錯在簽證欺詐。這次牽涉到月子中心和中國孕婦的簽證欺詐被揭露主要是美國的HSI部門派了線人去中國臥底全程搜證,看來逮了個正著。詳情:
www.latimes.com/local/lanow/la-me-ln-birth-tourism-schemes-raids-20150303-story.html#page=1