Breast milk DHA levels may increase after informing women: A community-based cohort study from South Dakota USA

Brian A. Juber, Kristina Harris Jackson, Kristopher B. Johnson, William S. Harris, Michelle L. Baack

Research output: Research - peer-reviewArticle

Abstract

Background: Docosahexaenoic acid (DHA), an omega-3 fatty acid found in breast milk, has many health benefits for both mother and baby. A 2007 meta-analysis found U.S. women had breast milk DHA levels (0.20% of total fatty acids) below the worldwide mean (0.32%). In 2008, international dietary recommendations were made for pregnant and lactating women to consume 200 mg of DHA per day. This community-based study aimed to define current milk DHA levels from upper Midwest USA lactating mothers and to determine if providing information about their own level along with dietary recommendations would incite changes to increase breast milk DHA content. Methods: New mothers attending lactation classes or using hospital pumping rooms in Sioux Falls, South Dakota, USA participated by providing one drop of breast milk on a card for fatty acid analysis at baseline and 1 month after initial reporting. DHA levels were analyzed by gas chromatography. Mothers received a report of their own breast milk level along with dietary recommendations on DHA intake for lactating women. Median baseline and follow-up DHA levels were determined and differences were compared by Wilcoxon signed-rank test. Results: At baseline, breast milk DHA content (n = 84) was highly variable (range 0.05 to 0.73%) with a median of 0.18% (IQR, 0.13, 0.28; mean ± SD, 0.22 ± 0.13%), well below the worldwide average (0.32%). Women who reported taking DHA supplements (n = 43) had higher levels than those who did not (0.23% vs. 0.15%, P < 0.0001). In a subset of 60 mothers who submitted a second sample, median breast milk DHA content increased from 0.19 to 0.22% (P < 0.01). Conclusions: Findings suggest that providing nursing mothers with their breast milk DHA level and education about DHA intake while breastfeeding motivates change to increase DHA levels.

LanguageEnglish (US)
Article number7
JournalInternational Breastfeeding Journal
Volume12
Issue number1
DOIs
StatePublished - Jan 28 2017
Externally publishedYes

Fingerprint

Docosahexaenoic Acids
Human Milk
Cohort Studies
Mothers
Fatty Acids
Omega-3 Fatty Acids
Insurance Benefits
Nonparametric Statistics
Breast Feeding
Lactation
Gas Chromatography
Meta-Analysis
Pregnant Women
Milk
Nursing
Education

Keywords

  • Breast milk fatty acids
  • Breastfeeding
  • Docosahexaenoic acid
  • Long chain polyunsaturated fatty acids
  • Omega-3 fatty acids

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Obstetrics and Gynecology

Cite this

Breast milk DHA levels may increase after informing women : A community-based cohort study from South Dakota USA. / Juber, Brian A.; Jackson, Kristina Harris; Johnson, Kristopher B.; Harris, William S.; Baack, Michelle L.

In: International Breastfeeding Journal, Vol. 12, No. 1, 7, 28.01.2017.

Research output: Research - peer-reviewArticle

Juber, Brian A. ; Jackson, Kristina Harris ; Johnson, Kristopher B. ; Harris, William S. ; Baack, Michelle L./ Breast milk DHA levels may increase after informing women : A community-based cohort study from South Dakota USA. In: International Breastfeeding Journal. 2017 ; Vol. 12, No. 1.
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abstract = "Background: Docosahexaenoic acid (DHA), an omega-3 fatty acid found in breast milk, has many health benefits for both mother and baby. A 2007 meta-analysis found U.S. women had breast milk DHA levels (0.20% of total fatty acids) below the worldwide mean (0.32%). In 2008, international dietary recommendations were made for pregnant and lactating women to consume 200 mg of DHA per day. This community-based study aimed to define current milk DHA levels from upper Midwest USA lactating mothers and to determine if providing information about their own level along with dietary recommendations would incite changes to increase breast milk DHA content. Methods: New mothers attending lactation classes or using hospital pumping rooms in Sioux Falls, South Dakota, USA participated by providing one drop of breast milk on a card for fatty acid analysis at baseline and 1 month after initial reporting. DHA levels were analyzed by gas chromatography. Mothers received a report of their own breast milk level along with dietary recommendations on DHA intake for lactating women. Median baseline and follow-up DHA levels were determined and differences were compared by Wilcoxon signed-rank test. Results: At baseline, breast milk DHA content (n = 84) was highly variable (range 0.05 to 0.73%) with a median of 0.18% (IQR, 0.13, 0.28; mean ± SD, 0.22 ± 0.13%), well below the worldwide average (0.32%). Women who reported taking DHA supplements (n = 43) had higher levels than those who did not (0.23% vs. 0.15%, P < 0.0001). In a subset of 60 mothers who submitted a second sample, median breast milk DHA content increased from 0.19 to 0.22% (P < 0.01). Conclusions: Findings suggest that providing nursing mothers with their breast milk DHA level and education about DHA intake while breastfeeding motivates change to increase DHA levels.",
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