“…4 Based on these criteria, a minimum prenatal care adequacy indicator was developed that considered some items for prenatal adequacy, such as: 1) initiation of follow-up prenatal care, when performed until the 12 th gestational week, as recommended by the Stork Network 14 ; 2) adequate number of consultations for gestational age at delivery, with a minimum schedule of six consultations, recommended by the Brazilian Ministry of Health, which recommends at least one consultation in the first trimester of pregnancy, two in the second and three in the last trimester 15 ; 3) the registration of at least one result of each of the exams recommended in a For the analysis of the proximal level, the variable referring to the characteristics of childbirth was used: birth payment source (public and private). This variable was constructed based on a previous study on the theme, 10 being classified as proximal because it reflects the model of assistance that currently predominates in Brazil. Thus, the births occurred in Public Units and Mixed Units and which were not financed by health insurance, were classified as a source of public payment; the births financed by health plan, occurring in Mixed or Private Units, as well as, the births occurred in Private Units, regardless of whether they were financed by health insurance, were classified as having private source of payment.…”