摘要
objective: to describe breastfeeding prevalence and associated factors, in the municipality of londrina, pr, brazil. methods: this quantitative, descriptive study included interviews of 770 companions of children younger than 12 months of age during an anti-polio vaccination campaign in august 2008. results: a total of 72.5% of the children were breastfed in the first hour after birth; 33.8% were exclusively breastfed from zero to six months of age, 53.7% until the fourth month and 7.8% until the sixth month; 51.5% were in continued breastfeeding between 9 and 12 months of age. the women who breastfed the most were 35 years old or older, had a bachelor%26apos;s degree, had more than one child and were on maternity leave. conclusion: breastfeeding rates increased in the city, however, analyzing health services actions is needed to improve these rates.