Q: Passage: Maternity leave in the United States is regulated by US labor law. There is a right to a temporary and unpaid period of absence from employment granted to expectant or new mothers during the months immediately before and after childbirth. These policies are generally aimed at supporting the mother's full recovery from childbirth and facilitating a stronger mother-child bond. The Family and Medical Leave Act of 1993 (FMLA) requires 12 weeks of unpaid leave annually for most mothers of newborn or newly adopted children.

Question: Based on this passage, how much maternity leave are mothers entitled to in the us?
Let's give stream of consciousness below
The relevant information is: The Family and Medical Leave Act of 1993 (FMLA) requires 12 weeks of unpaid leave annually for most mothers of newborn or newly adopted children. So the answer is 12 weeks of unpaid leave annually for most mothers of newborn or newly adopted children.