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 mothers of newborn or newly adopted children. This is one of the lowest levels of leave in the industrialized world. Unlike the United States, most countries have the right to paid time off.
Historically, maternity leave was not a pertinent legislative concern as mothers were largely prevented from labor force participation. They were constrained by restrictive gender norms that limited their access to employment. Between 1961 and 1965, only 14% of mothers participated in the workforce within 6 months of their child's birth.
Prior to the enactment of FMLA legislation in 1993, maternity leave coverage was governed by state law, collective bargaining agreements and employer policies. The first set of maternity leave related policies emerged in the late 1960s. By 1969, five states had enacted Temporary Disability Insurance laws protecting employees from income loss in the occurrence of a temporary medical disability. Under this legislation, new mothers were granted leaves corresponding to the benefits that other employees received for temporary illness or disability. This state-level trend of maternity leave legislation continued into the 1970s and 1980s where multiple other states passed more explicit recognitions of new mothers' rights to a temporary leave of absence. Ultimately, 12 states and the District of Columbia had implemented measures requiring at least some private sector employers to offer maternity leave packages to its employees. Even in the absence of this formal legislation, employees in other states often obtained maternity leave through collective bargaining. Employees frequently held enough bargaining power to influence employer policies and negotiate for the inclusion of maternity leave protection.
Despite some localized employees' access to maternity leave, there was growing pressure for national maternity leave legislation in the early 1990s. Many new mothers continued to be excluded from such maternity leave provisions despite growing national demand. Women now enjoyed greater employment opportunities and changing gender norms that encouraged increased labor involvement. This increased female employment extended to mothers as well who now were now more likely to engage in the workforce even if they had a young child. The labor participation rate of mothers with children under the age of 1 rose from 31% in 1976 to 54% in 1992. In spite of a high labor force participation rate, only an estimated 40% of working women had access to explicit maternity leave protection. This inadequate national coverage provoked intense protest and growing national consensus on the value of maternity leave. Ultimately, the increased salience and galvanized national support prompted the 1993 enactment of the Family and Medical Leave Act mandating maternity leave.