Additional file 2: of Gestational, perinatal, and postnatal factors that interfere with practice of exclusive breastfeeding by six months after birth Moraes de OliveiraMariana CameloJosÊ 2017 Questionnaire used in the sixth month. Description of data: In follow-up data collection, this survey used this questionnaire composed of two questions to identify the type of feeding practiced at that time. (DOCX 17 kb)