Childbearing differences among three generations of U.S. women.

Each year a generation of women is born who will share similar sociohistorical experiences before and throughout their reproductive lives. These unique experiences can produce similar childbearing patterns in terms of the average number of children ever born--whether mothers are younger or older when their first birth occurs and the proportion of women who do not have children--that can differ from the patterns found for other cohorts. Childbearing patterns have profound consequences for society. These consequences include the demand for schools and housing, as well as women's participation in the labor force. Moreover, the lives of women who become mothers are significantly different from those who do not. Having children affects the acquisition of material goods and may impose costs for the mother in terms of personal and professional options. This report presents data on three selected birth cohorts of women representing generations born at 25-year intervals in 1910, 1935, and 1960, close to the average length of a generation in the United States. Data are from the cohort fertility tables, based on the National Vital Statistics System.