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Public Health Nutr. 2017 Jun 19:1-12. doi: 10.1017/S1368980017001239. [Epub ahead of print]

Breast-feeding duration for the prevention of excess body weight of mother-child pairs concurrently: a 2-year cohort study.

Author information

1
1Population Health Intervention Research Unit, School of Public Health,University of Alberta,Edmonton,Alberta,Canada.
2
2Postgraduate Program in Health and Environment,University of Joinville Region,Rua Paulo Malschitzki no. 10,Joinville,Santa Catarina,CEP 89.219-710,Brazil.

Abstract

OBJECTIVE:

To examine the association between breast-feeding duration and the risk of excess body weight (children >85th percentile, mothers BMI≥25·0 kg/m2) concurrently in mother-child pairs two years after delivery.

DESIGN:

Prospective cohort study in Joinville, Brazil. Multivariable logistic regression was used to examine the independent relationship between breast-feeding duration and risk of excess body weight.

SETTING:

Brazilian public maternity hospital.

SUBJECTS:

Three hundred and five mother-child pairs.

RESULTS:

At 2-year follow-up, 23·6 % of mother-child pairs had excess body weight. Children breast-fed for <2 months were more likely to have excess body weight than children breast-fed for ≥6 months (OR=2·4; 95 % CI 1·1, 5·1). Breast-feeding for <2 months was also associated with a greater likelihood of maternal excess body weight compared with those who breast-fed for ≥6 months (OR=2·9; 95 % CI 1·1, 8·1). There was a progressive increase in the likelihood of mother-child pairs having excess body weight as breast-feeding duration decreased. In addition to breast-feeding duration, other independent determinants of excess body weight were pre-pregnancy weight, gestational weight gain and number of pregnancies in mothers, and birth weight in children.

CONCLUSIONS:

Breast-feeding for a longer duration has a parallel protective effect on the risk of excess body weight in mother-child pairs two years after birth. Since members of the same family could be influenced by the same risk factors, continued promotion and support of breast-feeding may help to attenuate the rising prevalence of overweight in mother-child pairs.

KEYWORDS:

Birth cohort; Breast-feeding; Childhood obesity; Maternal obesity; Overweight; Postpartum weight

PMID:
28625232
DOI:
10.1017/S1368980017001239
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