The general objective of the work is to know the effectiveness among health education on breastfeeding in pregnant women in the last weeks of the date of delivery in relation to their decision to breastfeed their children.

Materials and methods
First, a bibliographic review of the current state of nursing scientific production on the effectiveness of education in the population related to breastfeeding is carried out. A quantitative approach, measurement of the variable and design with intervention study is carried out, this quasi-experimental being with a sample of 102 pregnant women.

Results
After the application of the preeducational and posteducational tests in the maternal education sessions on breastfeeding, the comparison is positive regarding the acquisition of the level of knowledge of pregnant women of breastfeeding in order to increase the rate of exclusive breastfeeding in the population.

Conclusions
Currently there is scientific evidence of a notable decline in mothers who breastfeed their children due to a lack of adequate information on the subject. For this, it is necessary to carry out health education, education programs have a promoting desire in the use of breastfeeding.

Keywords
health promotion, breastfeeding, health education, health prevention, breastfeeding.