[Immigration and factors associated with breastfeeding. CALINA study].

Objective: To identify socio-cultural, obstetric and perinatal characteristics associated with complete breastfeeding (CBF) during the first 4 months of age, depending on maternal origin.

Material And Methods: Socio-cultural, obstetric and perinatal aspects associated with breastfeeding depending on maternal origin were evaluated in a longitudinal study in a representative infant population from Aragon (n = 1452).

Results: The prevalence of CBF was higher in immigrant mothers than in those from Spain.

[Breastfeeding prevalence during the first year of life in Aragon. CALINA study].

Objectives: To study the current prevalence of breastfeeding (BF) in Aragon (Spain) during the first 12 months of life, and analyse its demographic, perinatal and social influential factors.

Material And Methods: Obstetric, perinatal and feeding aspects were evaluated in a longitudinal and observational study, in a representative cohort of infant population from Aragon born between March 2009 to March 2010, controlled until 12 months of age (N=1.602).

[Perinatal aspects, growth and feeding of infants born small for gestational age].

Introduction: Being born small for gestational age (SGA) has short and long term risks. The aim of this study was to describe perinatal and socio-cultural characteristics, and the pattern of growth and diet of SGA infants during their first 6 months of life.

Materials And Methods: Anthropometry and diet were evaluated during six months in a representative sample of 1596 newborns the population of Aragon (Spain).

[Socio-cultural, obstetric and anthropometric characteristics of newborn children of mothers who smoke in Spain].

Introduction: One in every four women smoke at the beginning of the pregnancy in Spain; of these, 25-50% give up smoking during gestation and most of them smoke again after childbirth. Maternal smoking has harmful effects on babies, such as low birth-weight with its resulting morbidity. The objective of this study is to compare the anthropometric and socio-cultural characteristics between newborns from smoking motheŕs and those from non- smoking ones.

Serum transaminases concentrations in obese children and adolescents.

The aim of the study was to investigate the relationship between liver transaminase levels and metabolic syndrome (MS) features in obese children and adolescents. A total of 132 children and adolescents (73 males and 59 females) aged 8 - 16, participated in the study. All were studied at the department of Paediatrics, University Hospital of Zaragoza (Spain).