Sperm characteristics in a sample of healthy adolescents in São Paulo, Brazil
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چکیده
منابع مشابه
Sperm characteristics in a sample of healthy adolescents in São Paulo, Brazil.
The article presents preliminary data from a prospective investigation in a sample of healthy 14-17-year-old students from a technical school in Sao Paulo, Brazil. Ninety-six Tanner stage 5 and thirty-one Tanner stage 4 adolescents were evaluated: testicular volume was measured using a Prader orchidometer, and semen analysis was performed according to standard procedures. Median testicular volu...
متن کاملTetanus and diphtheria immunity in adolescents from São Paulo, Brazil.
Tetanus and diphtheria vaccines are of special concern in adolescents because boosters are necessary for adequate maintenance of protection and are often omitted. We assessed serum levels of tetanus and diphtheria antibodies in adolescents and their association with vaccination status. From May to October 2001, we evaluated the vaccination records of 208 adolescents aged 10 to 20 years in São P...
متن کاملCharacteristics of cannabis users seeking treatment in São Paulo, Brazil.
OBJECTIVES This article describes a sample of 160 adults selected to participate in a randomized controlled trial conducted at a specialized outpatient clinic for cannabis users in Brazil. It correlates consumption with several measures of marijuana use, comparing it with other samples. METHODS Instruments used were the Composite International Diagnostic Interview (CIDI) and Wender Utah Ratin...
متن کامل[Food intake and meal patterns of adolescents, São Paulo, Brazil].
OBJECTIVE To assess food intake and meal patterns in adolescents, a cross-sectional study was conducted with 228 adolescents from a public school, SP, Brazil. METHODS Total energy, macronutrients, calcium, iron, and vitamin A intakes were evaluated. The food pattern was compared with the eating patterns established by the Food Pyramid for adolescents. Meal frequency was assessed to identify m...
متن کاملPrevalence and sociodemographic characteristics of women with induced abortion in a population sample of São Paulo, Brazil.
OBJECTIVES This study aims at estimating the prevalence of women with induced abortion among women of childbearing age (15-49 years) who had any previous pregnancy, in the city of Sao Paulo, Brazil, in the last quarter of 2008, and identifying the Sociodemographic Characteristics (SC) associated with it. METHODS A cross-sectional survey was carried out. The dependent variable was dichotomized...
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ژورنال
عنوان ژورنال: Cadernos de Saúde Pública
سال: 2002
ISSN: 0102-311X
DOI: 10.1590/s0102-311x2002000200018