Program Evaluation / Primary Health Care / Evaluation / Developing Countries / Brazil / Health / Pregnancy / Humans / Female / Newborn Infant / Family Health / Public health systems and services research / Cost Benefit Analysis / Perinatal mortality / Prenatal Care / Health / Pregnancy / Humans / Female / Newborn Infant / Family Health / Public health systems and services research / Cost Benefit Analysis / Perinatal mortality / Prenatal Care