Chinese families navigate a maze of laws and COVID rules to have babies in the U.S.

(Sally Deng for NPR)

FOUNTAIN VALLEY, California — Inside a three-story pastel mansion in this quiet suburb south of Los Angeles, Auntie Wang cradles a 2-week-old baby girl named Echo.

"The more time you spend with her, the more she is attached to you," says Auntie Wang, who moved to the United States seven years ago from China. "You hold her, play with her, engage with her and look, she responds to you."