• Denise Leite Maia Monteiro, Fátima Regina Dias Miranda, Zenilda Vieira Bruno, Mateus Benac Cavalcante, Isabel Maria Santos Lacerda, José Augusto Sapienza Ramos, and RodriguesNádia Cristina PinheiroNCP0000-0002-2613-5283Universidade do Estado do Rio de Janeiro - Rio de Janeiro (RJ), Brazil.Escola Nacional de Saúde Pública Sérgio Arouca, Fundação Oswaldo Cruz - Rio de Janeiro (RJ), Brazil..
• Universidade do Estado do Rio de Janeiro - Rio de Janeiro (RJ), Brazil.
• Rev Assoc Med Bras (1992). 2023 Jan 1; 69 (5): e20221513e20221513.

ObjectiveThe aim of this study was to assess the rate of repeated pregnancy in adolescence and its association with early marriage and education level.MethodsThis is a cross-sectional study conducted by searching the Live Births Data System. The study included all adolescents in the age group 10-19 years with live births from 2015 to 2019 (n=2,405,248), divided into three groups: G1: primiparas; G2: with 1 previous pregnancy; and G3: with two or more previous pregnancies.ResultsTotal repeated pregnancies remained stable, along the years. In the age group 10-14 years, the decrease in the period was from 5.0 to 4.7%, whereas in the age group 15-19 years, it was from 27.8 to 27.3%. Being married or in a stable union increases by 96% the chance of repeated pregnancy in the age group 10-14 years (p<0.001; OR=1.96; 95% confidence interval [CI] 1.85-2.09). In the age group 15-19 years, the chance of repeated pregnancy among the married or in stable union increased 40% (p<0.001; OR=1.40; 95%CI 1.39-1.41)). Girls aged 10-14 years with an education level of<8 years had a 64% higher chance of repeated pregnancy (p<0.001; OR=1.64; 95%CI 1.53-1.75), and among those aged 15-19 years, there was a 137% higher chance of repeated pregnancy (p<0.001; OR=2.37; 95%CI 2.35-2.38).ConclusionRepeated pregnancy in adolescence in Brazil remains very high over the years. There is an association between low education level and early marriage with repeated pregnancies in adolescence.

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