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Abstract

BACKGROUND: It is generally accepted that peak bone mass affects later fracture risk in the elderly. The extent to which early nutrition and growth can program later bone health has been examined in only a few studies. In the Copenhagen Cohort Study we showed that breastfed infants had significantly higher serum (s)-osteocalcin concentration than did formula-fed infants.

Lovelady CA, Bopp MJ, Colleran HL, Mackie HK, Wideman L.

Med Sci Sports Exerc. October 2009 - Volume 41 - Issue 10 - pp 1902-1907

Abstract

PURPOSE: During lactation, women transfer approximately 200 mg of calcium per day to breast milk. For 6 months, this is equivalent to 3%-9% of bone mineral density (BMD) loss at trabecular-rich sites. Bone mass usually returns to prepregnancy levels with cessation of lactation but not in all women. Therefore, the purpose of this study was to determine whether exercise slows bone loss from 4 to 20 wk postpartum (PP).

A csecsemőtáplálás módjának a csecsemő és az anya egészségére gyakorlt hatásával kapcsolatos kutatási eredmények jól áttekinthető összefoglalása.

Letölthető a La leche League International oldaláról.

Background
Women may lose bone during lactation because of calcium lost in breast milk. We studied whether calcium supplementation prevents bone loss during lactation or augments bone gain after weaning.
N Engl J Med 1997;337:523-8.

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ABSTRACT Human pregnancy is associated with major changes in calcium and bone metabolism and in bone mineral status before and after gestation. The changes are compatible with the uptake and mobilization of calcium by the maternal skeleton to meet the high requirement for fetal growth and for breast-milk production. Breast-feeding is accompanied by decreases in bone mineral status, increases in bone turnover rate, and reductions in urinary calcium excretion. These effects are reversed during and after weaning, and, in several skeletal regions, bone mineral content ultimately exceeds that measured after delivery. By 3–6 mo after lactation, the postpartum changes in bone mineral status of women who breast-feed largely match those of women who do not, regardless of the duration of lactation.
American Journal of Clinical Nutrition, Vol. 71, No. 5, 1312S-1316s, May 2000

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