O efeito da amamentação na massa óssea de mulheres na pós-menopausa: revisão sistemática de estudos observacionais

Gonçalves, Adriany Cristine Santos; Ferreira, Márcia Gonçalves; Hasselmann, Maria Helena; Faerstein, Eduardo

doi:10.1590/s1519-38292015000300002

Cited by 1 publication

(2 citation statements)

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“…In the same token, a lower total fat mass 28,37 was reported among women who breastfed, but others failed to observe such association 32,38,39 . Concerning bone mineral density, two systematic reviews described that the evidence of an association with breastfeeding was not clear because of the high heterogeneity among studies 6,10 . As most studies were conducted in high-income countries, where socioeconomic status is positively associated with breastfeeding 11 and inversely associated with obesity 12,13,14 , these results might be due to residual confounding.…”

Section: Discussionmentioning

confidence: 99%

“…Furthermore, it has been suggested that breastfeeding would also be associated with the maternal body composition, such as skinfold thickness, fat free mass and fat mass, but most studies failed to observe an association or observed weak associations 8 . During lactation, women have a fetal demand for calcium 9 , but the evidence regarding the association between breastfeeding and bone mineral density shows conflicting results and is inconclusive 6,10 . Most studies were conducted in high-income countries, where there is a positive association between socioeconomic status and breastfeeding 11 .…”

Section: Introductionmentioning

confidence: 99%

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Association of breastfeeding, maternal anthropometry and body composition in women at 30 years of age

et al. 2019

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This study aimed at assessing the association of breastfeeding with maternal body mass index (BMI), waist circumference, fat mass index, fat free mass index, android/gynoid fat ratio and bone mineral density. In 1982, the maternity hospitals in Pelotas, Rio Grande do Sul State, Brazil, were daily visited and all live births were identified and examined. These subjects underwent follow-up for several times. At 30 years of age, the participants were interviewed and examined. Parous women provided information on parity and duration of breastfeeding. Multiple linear regression was used in the multivariate analysis, controlling for genomic ancestry, family income, schooling and smoking at 2004-2005. After controlling for confounding factors, breastfeeding was inversely associated with BMI and fat mass index, whereas breastfeeding per live birth was negatively associated with BMI, waist circumference and fat mass index. Women who had had a child in the last 5 years and had breastfed, showed lower BMI (β = -2.12, 95%CI: -4.2; -0.1), waist circumference (β = -4.46, 95%CI: -8.3; -0.6) and fat mass index (β = -1.79, 95%CI: -3.3; -0.3), whereas no association was observed among those whose last childbirth was > 5 years, but the p-value for the tests of interaction were > 0.05. Our findings suggest that breastfeeding is associated with lower BMI and other adiposity measures, mostly in the first years after delivery. Besides that, it has no negative impact on bone mineral density.

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