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OBJECTIVE It is widely assumed that growth faltering starts at around 3 months of age, but there has been no systematic assessment of its timing using representative national datasets from a variety of countries. METHODOLOGY The World Health Organization Global Database on Child Growth and Malnutrition includes the results of 39 nationally representative(More)
OBJECTIVE To assess the association between duration of breast feeding and measures of adiposity in adolescence. DESIGN Population based birth cohort study. SETTING Pelotas, a city of 320 000 inhabitants in a relatively developed area in southern Brazil. PARTICIPANTS All newborn infants in the city's hospitals were enrolled in 1982; 78.8% (2250) of(More)
OBJECTIVE To use a case-control study to analyze risk factors associated with teenage childbearing among adolescents who were in a birth cohort study that began in 1982 in the city of Pelotas, Rio Grande do Sul, Brazil. METHODS Adolescent mothers in Pelotas who gave birth between January 1995 and March 2001 and who had been born in 1982 were identified(More)
This paper describes the main methodological aspects of a cohort study, with emphasis on its recent phases, which may be relevant to investigators planning to carry out similar studies. In 1993, a population based study was launched in Pelotas, Southern Brazil. All 5,249 newborns delivered in the city's hospitals were enrolled, and sub-samples were visited(More)
AIM To assess the association between weight gain at different time periods during childhood and measures of adiposity in late adolescence. METHODS A population-based birth cohort carried out in Pelotas, a 320 000-inhabitant city in a relatively developed area in Southern Brazil. All newborns in the city's hospitals were enrolled in 1982. Weight gain from(More)
BACKGROUND/OBJECTIVE To investigate socioeconomic, gestational and early life exposures as potential determinants of total height, leg and trunk length. SUBJECTS/METHODS Male subjects from the 1982 Pelotas Birth Cohort Study were examined in 1986 at home, and in 2000 when registering at the local army base. The follow-up rate was 79%. Standing and sitting(More)
AIM To assess the effect of weight gain in childhood on blood lipid levels in adolescence. METHODS A population-based birth cohort carried out in Pelotas, Southern Brazil. All newborns in the city's hospitals were enrolled in 1982. The subjects have been followed up for several times in childhood. At age 18, 79% of all males were followed, and 2083 blood(More)
OBJECTIVES To study the associations between respiratory function in 18-year-old male subjects and birth weight, preterm delivery, and intrauterine growth restriction (IUGR). METHODS Population-based birth cohort. Subsamples of 118 male subjects with low birth weight (LBW) [< 2,500 g] and 236 male subjects with normal birth weight were examined at the age(More)
BACKGROUND Conflicting findings on the risk of obesity among subjects born by caesarean section have been published. Caesarean section should also increase the risk of obesity related cardiovascular risk factors if type of delivery is associated with obesity later in life. This study was aimed at assessing the effect of type of delivery on metabolic(More)
The fetal origins hypothesis states that nutritional deprivation in utero affects fetal development and contributes to the incidence of diseases associated with the metabolic syndrome in later life. This study investigated whether haemoglobin (Hb) A(1c), an indicator of blood glucose, varied among healthy male adolescents according to their fetal growth(More)