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Objective: To explore influences on the diet and physical activity of adolescents living in Mumbai slums, from the perspectives of adolescents and their caregivers. Design: Three investigators from Mumbai conducted six focus group discussions. Setting: The study was conducted in suburban Mumbai slums. Participants: Thirty-six adolescents (aged 10–12 and 15–17 years) and twenty-three caregivers were recruited through convenience sampling. Results: The findings highlighted the complex negotiations between adolescent and caregivers surrounding adolescent junk food consumption and physical activity opportunities. Caregivers learned recipes to prepare popular junk foods to encourage adolescents to eat more home-cooked, and less 'outside', food, yet adolescents still preferred to eat outside. To adolescents, the social aspect of eating junk food with friends was an important and enjoyable experience. Caregivers felt that they had no control over adolescents' food choices, whereas adolescents felt their diets were dictated by their parents. Adolescents wanted to be physically active but were encouraged to focus on their academic studies instead. Gender was also a key driver of physical activity, with girls given less priority to use outside spaces due to cultural and religious factors, and parental fears for their safety. Conclusions: These findings show that adolescents and caregivers have different agendas regarding adolescent diet. Adolescent girls have less opportunity for healthy exercise, and are more sedentary, than boys. Adolescents and caregivers need to be involved in designing effective interventions such as making space available for girls to be active, and smartphone games to encourage healthy eating or physical activity. [ABSTRACT FROM AUTHOR]

Background: Young maternal age is associated with poorer birth outcomes, but the mechanisms are incompletely understood. Using data from a prospective cohort of pregnant women living in Mumbai slums, India, we tested whether lower maternal age was associated with adverse fetal growth. Methods: Fetal crown-rump length (CRL) was recorded at a median (interquartile range, IQR) of 10 weeks' gestation (9-10 weeks). Head circumference (HC), biparietal diameter (BPD), femur length (FL), and abdominal circumference (AC) were recorded at 19 (19-20) and 29 (28-30) weeks. Newborns were measured at a median (IQR) of 2 days (1-3 days) from delivery. Gestation was assessed using prospectively collected menstrual period dates. Results: The sample comprised 1653 singleton fetuses without major congenital abnormalities, of whom 1360 had newborn measurements. Fetuses of younger mothers had smaller CRL (0.01 standard deviation [SD] per year of maternal age; 95% confidence interval CI: 0.00-0.02 1 ; P =.04), and smaller HC, FL, and AC at subsequent visits. Fetal growth of HC (0.04 cm; 95% CI: 0.02-0.05; P <.001), BPD (0.01 cm; 95% CI: 0.00-0.01; P =.009), FL (0.04 cm; 95% CI: 0.02-0.06; P <.001), and AC (0.01 cm; 95% CI: 0.00-0.01; P =.003) up to the third trimester increased with maternal age. Skinfolds, head, and mid-upper arm circumferences were smaller in newborns of younger mothers. Adjusting for maternal prepregnancy socioeconomic status, body mass index, height, and parity attenuated the associations between maternal age and newborn size but did not change those with fetal biometry. Conclusion: Fetuses of younger mothers were smaller from the first trimester onward and grew slower, independently of known confounding factors. [ABSTRACT FROM AUTHOR]