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Infant Feeding Method Predicts In-hospital Weight Loss

Date:
August 22, 2007
Source:
SAGE Publications
Summary:
Healthy, full-term newborn babies tend to lose weight during the first few days after their birth. A new study explores the reasons why certain newborns lose more (or less) than others and what conclusions can be drawn from the research.

Healthy, full-term newborn babies tend to lose weight during the first few days after their birth. A groundbreaking new study published in the latest issue of the Journal of Human Lactation explores the reasons why certain newborns lose more (or less) than others and what conclusions can be drawn from the research.

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The purpose of the study was to determine the factors associated with in-hospital weight loss of healthy, full-term newborns, including birth and infant-feeding factors as well as maternal and newborn demographics.

The study found a substantial difference in weight loss between exclusively breastfed and completely formula-fed newborns, which lost less. That disparity led the researchers to conjecture that formula-fed infants may be at risk of early overfeeding. Supplemented breastfed infants had similar weight loss patterns to the exclusively breastfed newborns.

"Degree of weight loss is critical in the decision to supplement breastfed infants with formula," write the study's authors, Patricia J. Martens, IBCLC, PhD, and Linda Romphf, IBCLC. "However, given the overhydration of newborns, the early loss of meconium, and small fluid intake in the first few days, loss of 5-7% of birth weight is considered physiologically appropriate."

Newborn feeding experiences may be critical in metabolic imprinting and may factor into adult weight. "The most influential predictor of weight loss in newborns is the type of infant feeding," conclude the authors. "Further study is critical, especially in light of current research on the association between early weight gain of formula-fed infants and adult obesity. Breastfeeding-supportive environments are necessary to support and enable women to breastfeed."

The article, "Factors Associated With Newborn In-Hospital Weight Loss: Comparisons by Feeding Method, Demographics, and Birthing Procedures," was published in the Journal of Human Lactation.


Story Source:

The above story is based on materials provided by SAGE Publications. Note: Materials may be edited for content and length.


Cite This Page:

SAGE Publications. "Infant Feeding Method Predicts In-hospital Weight Loss." ScienceDaily. ScienceDaily, 22 August 2007. <www.sciencedaily.com/releases/2007/08/070821143552.htm>.
SAGE Publications. (2007, August 22). Infant Feeding Method Predicts In-hospital Weight Loss. ScienceDaily. Retrieved October 24, 2014 from www.sciencedaily.com/releases/2007/08/070821143552.htm
SAGE Publications. "Infant Feeding Method Predicts In-hospital Weight Loss." ScienceDaily. www.sciencedaily.com/releases/2007/08/070821143552.htm (accessed October 24, 2014).

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