1. How much does motherhood cost women in Social Security benefits? Author(s): Rutlege, Matthew S., authorZulkarnain, Alice, authorKing, Sara Ellen, author Publication: Chestnut Hill, MA : Center for Retirement Research at Boston College, October 2017 Subject(s): Child RearingIncome -- statistics & numerical dataMothersSingle-Parent FamilySocial Security -- economicsSocial Security -- statistics & numerical dataWomen, WorkingHumansUnited States