Repeated adolescent pregnancy in Brazil from 2015 to 2019.

Objective: The aim of this study was to assess the rate of repeated pregnancy in adolescence and its association with early marriage and education level.

Methods: This 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.

Vertical transmission of HIV from 2007 to 2018 in a reference university hospital in Rio de Janeiro.

The aim of the study was to assess the factors associated with mother-to-child transmission (MTCT) of HIV. The study design is a retrospective cohort. The population consisted of 323 HIV-positive mothers and their newborns, attended at the Perinatal Nucleus/HUPE-UERJ, municipality of Rio de Janeiro, in the period of 2007-2018.