• Karine Mendonça Davi Rodrigues, Camila Zoldan, Clarissa Bernardes de Oliveira Silva, Eduardo Félix Martins Santana, Edward Araujo Júnior, and Alberto Borges Peixoto.
• Universidade de Uberaba, Mario Palmério University Hospital, Gynecology and Obstetrics Service - Uberaba (MG), Brazil.
• Rev Assoc Med Bras (1992). 2022 Feb 1; 68 (2): 256-260.

ObjectiveThe objective of this study was to analyze the relationship between the number of prenatal care visits and the occurrence of adverse perinatal outcomes in an average city in the state of Minas Gerais, Brazil.MethodsThis was a prospective and observational study. The variables analyzed were obtained through a questionnaire administered to postpartum women (between 1 and 48 h postpartum) and information contained in prenatal cards. The pregnant women were classified into three groups: Group I, <3 prenatal care visits; Group II, 3-5 prenatal care visits; and Group III, ≥6 prenatal care visits.ResultsGroup I had a lower median weight (57.0 vs. 64.0 kg, p<0.001), body mass index (22.1 vs. 24.3 kg/m2, p<0.001), and weight gain (9.0 vs. 12 kg, p=0.002) than Group III. The prevalence of admission to the neonatal intensive care unit (11.6 vs. 4.2%, p=0.02) and the newborn mortality rate within the first 72 h of life (2.3 vs. 0%, p<0.001) were higher in Group I than in Group III. Group II had a higher prevalence of admission to the adult intensive care unit (5.7 vs. 0.6%, p<0.001) and a higher newborn mortality rate within the first 72 h of life (1.6% vs. 0%, p<0.001) than Group III.ConclusionsHaving ≥6 prenatal care visits was associated with lower rates of admission to the neonatal and adult intensive care unit, as well as a lower newborn mortality rate within the first 72 h of life.

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