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Public Health Nutr. 2013 Aug;16(8):1403-13. doi: 10.1017/S1368980012003849. Epub 2012 Aug 24.

Fibre intake and evolution of BMI: from pre-pregnancy to postpartum.

Author information

1
Graduate Studies Program in Epidemiology, Department of Social Medicine, Federal University of Rio Grande do Sul, Rua Ramiro Barcelos no. 2600 - 4° andar - sala 419, CEP 90035-003, Porto Alegre, RS, Brazil. michele.drehmer@gmail.com

Abstract

OBJECTIVE:

To evaluate the effect of fibre intake on the evolution of maternal BMI from pregnancy to postpartum and to identify dietary patterns associated with fibre intake.

DESIGN:

Cohort study. Food intake was obtained using an FFQ. Focused principal component analysis was used focusing on the variables: postpartum weight retention and total dietary fibre intake. Poisson regression models with robust variance were built in order to measure the effect of fibre intake during the postpartum period on obesity risk.

SETTING:

Primary care clinics in southern Brazil.

SUBJECTS:

Pregnant women (n 370) were followed until the 5th month postpartum.

RESULTS:

The highest contribution to fibre intake came from the consumption of beans. Consumption of bread and rice indicated a common Brazilian food pattern along with beans. Participants retained a median of 4.4 (interquartile range 0.6, 7.9) kg of weight gained during pregnancy. Obesity risk, defined as an unfavourable evolution of BMI during pregnancy and postpartum, was present in 189 (55.1%) women. Individual food items did not have an important effect on weight retention. In Poisson regression adjusting for maternal age, pre-pregnancy BMI and total gestational weight gain, inadequate postpartum fibre intake increased obesity risk by 24% (relative risk 51.24; 95% CI 1.05, 1.47).

CONCLUSIONS:

Important maternal weight retention occurred in these women. Adequate fibre intake may reduce obesity risk in the period following childbirth.

PMID:
22916703
DOI:
10.1017/S1368980012003849
[Indexed for MEDLINE]

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