CBS News reports:
Any child born in the United States is automatically an American citizen. Mexican mothers have, for years, crossed the border to give birth here for that reason.
Maternity tourism in America has also caught on now with mothers in China.
Ada Lin is 4 months old and the only American citizen in her family. Her parents, who agreed to speak with CBS News if they could remain anonymous, traveled from China to Los Angeles, so Ada could be born in America and claim U.S. citizenship.
"I want her to live a happy life" her father said.