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Objective: To analyze the temporal trends in the fertility rate, proportion of antenatal consultations and caesarean sections in Brazilian adolescents aged 15 to 19, between 2000 and 2015. Methods: The fertility rate, proportion of prenatal consultations and proportion of routes of birth were calculated using data from DATASUS. The trend analysis was performed using the Prais-Winsten regression model and the annual percentage change.  Results: There was a trend of reduction of 3.5% per year in the fertility rate among adolescents (p&lt;0.05), in addition to an increasing trend of 6% per year in the proportion of more than six antenatal consultations (p &lt;0.0001) and an increasing trend of 6.8% per year in the proportion of caesarean sections (p&lt;0.0001).  Conclusion: Despite the decreasing trend in fertility rates among Brazilian adolescents, they remain high. Also noteworthy is the growing trend for caesarean sections, even with improved access to antenatal care.

Trends in fertility rates, proportion of antenatal consultations and caesarean sections among Brazilian adolescents