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Cadernos de Saúde Pública

On-line version ISSN 1678-4464Print version ISSN 0102-311X


KAC, Gilberto; D'AQUINO BENICIO, Maria Helena; VALENTE, Joaquim Gonçalves  and  VELASQUEZ-MELENDEZ, Gustavo. Postpartum weight retention among women in Rio de Janeiro: a follow-up study. Cad. Saúde Pública [online]. 2003, vol.19, suppl.1, pp.S149-S161. ISSN 1678-4464.

This study presents follow-up results on trends in postpartum weight retention among women in the city of Rio de Janeiro, Brazil, at 0.5, 2, 6, and 9 months postpartum. The outcome variable, weight retention, was calculated by subtracting the reported pre-pregnancy weight from the observed weight at each interview. Statistical analyses used means and a 95% confidence interval for weight retention. Mean weight retention was 4.7, 4.1, 3.4, and 3.1kg at 0.5, 2, 6 and 9 months postpartum, respectively. At completion of the study, the largest weight retention was observed in women over 30 years of age (4.2kg) and with 30% or more of body fat (5.9kg). The rate of reduction in weight retention was 0.4kg/month, 0.2kg/month, and 0.1kg/ month for the periods 0.5-2, 2-6, and 6-9 months, respectively. The largest reductions were observed among young, single women and those with < 30% of body fat at baseline. The results suggest that variables such as age, parity, schooling, and body fat may be important predictors of postpartum weight retention.

Keywords : Obesity; Maternal Welfare; Maternal Nutrition.

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