This title is the result of research and teaching work that the authors develop at the Faculty of Social Work, National University of Entre Ríos, it brings the main contributions of two projects together: "Adolescent women. Maternity and birth-control. Qualitative-quantitative study” and “Adolescent motherhood. Study of the maternal practices of poor women in Paraná”. Adolescence, gender, maternity, poverty, are some of the key concepts that the authors display in a work that addresses a current issue: "As researchers and as Social Work professionals we feel responsible for making this topic visible due to its relevance and complexity that result from inequality situations and that constitute obstacles in the production and reproduction of daily life”.