Breastfeeding among brazilian adolescent mothers: a longitudinal study - Guimarães, Carolina Maria de Sá; Conde, Raquel Germano; Brito, Bruna Cremasco de; Gomes-Sponholz, Flávia Azevedo; Monteiro, Juliana Cristina dos Santos (Breastfeeding and Feminism International Conference, 2018)