[Hemoglobin concentration, breastfeeding and complementary feeding in the first year of life].

Objective: To assess the relationship between hemoglobin concentration and breastfeeding and complementary feeding during the first years of life.

Methods: Cross-sectional study with 553 children under age 12 months, who attended public healthcare facilities. Hemoglobin concentration was measured by the cyanmethaemoglobin method, using the HemoCue system.

[Hemoglobin concentration in children from birth to one year of age].

This study aimed to describe the evolution of hemoglobin concentration considering the following factors: birth weight, growth rate, and food intake. The cross-sectional study focused on infants (<1 year of age) whose growth and development were monitored by public health services in cities located in the five geographic regions of Brazil. Some 51.