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Public Health Nutr. 2010 Dec;13(12):2019-26. doi: 10.1017/S1368980010001503. Epub 2010 Jun 2.

Effect of breast-feeding on weight retention at 3 and 6 months postpartum: data from the North Carolina WIC Programme.

Author information

1
Department of Community and Family Medicine, Duke University Medical Center, PO Box 104006, Durham, NC 27710, USA. katrina.krause@duke.edu

Abstract

OBJECTIVE:

Pregnancy-related weight retention can contribute to obesity, and breast-feeding may facilitate postpartum weight loss. We investigated the effect of breast-feeding on postpartum weight retention.

DESIGN:

A retrospective follow-up study of weight retention, compared in women who were fully breast-feeding, combining breast-feeding with formula-feeding (mixed feeding), or formula-feeding at 3 months (n 14 330) or 6 months (n 4922) postpartum, controlling for demographic and weight-related covariates using multiple linear regression.

SETTING:

The North Carolina Special Supplemental Nutrition Program for Women, Infants, and Children (WIC).

SUBJECTS:

Participants in the North Carolina WIC Programme who delivered a baby between 1996 and 2004.

RESULTS:

In covariate-adjusted analyses, there was no association between breast-feeding and weight retention at 3 months postpartum. At 6 months postpartum, as compared to formula-feeders, mean weight retention was 0·84 kg lower in mixed feeders (95 % CI 0·39, 1·29; P = 0·0002) and 1·38 kg lower in full breast-feeders (95 % CI 0·89, 1·87; P ≤ 0·0001).

CONCLUSIONS:

Breast-feeding was inversely associated with weight retention at 6 months postpartum in this large, racially diverse sample of low-income women. Further, full breast-feeding had a larger protective effect than did breast-feeding combined with formula-feeding.

PMID:
20519049
DOI:
10.1017/S1368980010001503
[Indexed for MEDLINE]
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