[Breastfeeding among teenage and adult mothers in Brazil].

Objective: To estimate the prevalence of breastfeeding among teenage (younger than 20 years old) and adult mothers of six-month-old children and to identify factors associated with weaning.

Methods: A cross-sectional study of a sample of 237 teenage mothers and 239 adult mothers living in the city of Montes Claros, Brazil, whose babies were six-month-old at the time of the interview was carried out. Mothers answered a questionnaire at home.