This comparative case study describes the organization, delivery, and content of care of three maternity care models serving low-income women at risk of poor birth outcomes in Wards 5, 6, and 7 in Washington D.C. The first model, a birth center, provides prenatal care, birth services, postpartum follow-up, and infant and child health care. The second is a safety net clinic, which provides a variety of primary health care services, as well as prenatal care services. A not-for-profit teaching and research hospital represents a third option in which prenatal and postnatal care is provided through an on-site obstetric clinic.