The present study analyzes age at menarche, menstrual characteristics, body traits and nutritional status on the basis of a cross-sectional data on120 semi-rural adolescent girls aged 13 to 18 year from Yamunanagar, Haryana. On the basis of retrospective method, mean age at menarche was 13.4 years with a standard deviation of 0.99 years. The menstrual flow period continued on an average for 4.4...

OBJECTIVE To compare the prognostic value of fetal Doppler in dichorionic twins and singletons by measuring the interval between diagnosis of an abnormal Doppler flow and birth in fetuses who are small for gestational age (SGA). DESIGN Comparative retrospective study using a prospectively collected database. SETTING A level 3 maternity unit in France. POPULATION Fetuses from singleton and...

Declining levels of physical activity probably contribute to the increasing prevalence of overweight in US youth. In this study, the authors examined cross-sectional and longitudinal associations between physical activity and body composition in sixth- and eighth-grade girls. In 2003, girls were recruited from six US states as part of the Trial of Activity for Adolescent Girls. Physical activit...

OBJECTIVE To examine overweight trends over a 22-year period among preschool-aged children from primarily middle-income families enrolled in a health maintenance organization. RESEARCH METHODS AND PROCEDURES From well-child care visits to a Massachusetts health maintenance organization, we randomly selected one visit per child per calendar year, yielding a study sample of 120,680 children see...

Segregation studies suggest that the health of blacks in the United States is poorer in majority-black compared with mixed-race neighborhoods. However, segregation studies have not examined black immigrants, who may benefit from social support and country-of-origin foods in black immigrant areas. The authors used 1995-2003 New York City birth records and a spatial measure of ethnic density to c...

Researchers have theorized that social and psychosocial factors increase vulnerability to the deleterious health effects of environmental hazards. We used baseline examination data (2000-2002) from the Multi-Ethnic Study of Atherosclerosis. Participants were 45-84 years of age and free of clinical cardiovascular disease at enrollment (n = 6814). The modifying role of social and psychosocial fac...

OBJECTIVE To examine the relationship between gestational age and mental and psychomotor development scores in healthy infants born between 37 and 41 weeks. METHODS The cohort included 1562 participants enrolled during infancy in an iron deficiency anemia preventive trial in Santiago, Chile. All participants were healthy, full-term (37-41 weeks) infants who weighed 3 kg or more at birth. Deve...

with CAD or MyD, cTnI was detectable in 69.2% of patients and undetectable in the remainder. In the control group (Con), cTnI was detectable in 26.2% and undetectable in 73.8% of the patients. Of the detectable values, 87.5% were 0.07 g/L (the 99th percentile value) in the CAD and MyD groups; the remainder were between 0.07 and 0.1 g/L (8.3%) or 0.1 g/L (4.2%). In the control group, all detecta...