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The aim of this study is to identify the prevalence of pregnancy and abortion experience, along with associated factors among street children, adolescents and youths in Porto Alegre and Rio Grande, RS, Brazil. The sampling method in this cross-sectional study was Respondent-Driven Sampling (RDS), innovative in research about hidden populations. Interviews were conducted with 307 subjects, aged 10 to 21 years. In multivariate analysis, Poisson regression with a robust error variance was used. Most of this sample were males, with no contact with school and family. Almost half of the participants had been on the street for five years or more, spending more than 15 hours per day on the streets. The prevalence of pregnancy experience was 29.3%, independently associated with being a girl, having 10 sexual partners or more in the last year, having a fixed sexual partner in the last year, and being older. The prevalence of abortion experience was 10.4%, independently associated with not living with the family, having more than two pregnancies, and being younger. The high prevalence of pregnancy and abortion experience highlights the need for the development of better sexual and reproductive health policies focused on this population.

A cross-sectional study was conducted to measure the prevalence of condom use in the last sexual intercourse and associated factors among university students. Undergraduate students from a public university aged 18 and over of the Rio Grande (RS) campuses were eligible. A systematic single-stage sampling was used, based on class lists and self-administered questionnaire. Descriptive, bivariate and multivariable analyses were employed, with Poisson regression for the latter two. Most of the 1,215 university students included in the analysis were aged 20 to 29 (65.6%) and 69.3% began their sexual life before the age of 18. The prevalence of condom use in the last intercourse was 41.5% (95%CI: 38.7-44.3). Male gender, lower age group, condom use at first sexual intercourse, older age of onset of sexual activity, not having a partner and casual partner in the last sexual intercourse increased the likelihood of condom use.