The effect of breastfeeding on postpartum fructosamine and HbA1c values after normal pregnancy.

Obstet Med

Department of Obstetrics & Gynecology, Drexel University College of Medicine, Hahnemann University Hospital, Philadelphia, PA, USA.

Published: March 2021

Introduction: Breastfeeding can lower postpartum oral glucose tolerance test results by 5%. Similar data do not exist regarding fructosamine and HbA1c. The primary outcome was to determine if breastfeeding would lower fructosamine values by 5%.

Methods: At the 4-8 week postpartum visit, women with uncomplicated pregnancies were given a questionnaire and had blood drawn for fructosamine and HbA1c.

Results: Breastfeeding ( = 22) and non-breastfeeding women ( = 28) were demographically similar, including postpartum weight loss. The respective values among breastfeeding and non-breastfeeding women were: fructosamine 2.20 versus 2.21 mmol/L; HbA1c 5.2% versus 5.2%. Only two of the seven women with an HbA1c of 5.7% or more had an abnormal fructosamine.

Conclusion: After uncomplicated pregnancies, breastfeeding was not associated with lower levels of postpartum fructosamine or HbA1c. Future research to improve screening for persistent postpartum dysglycemia in high-risk populations can utilize these tests without concern that results will be confounded by breastfeeding.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8107971PMC
http://dx.doi.org/10.1177/1753495X19868864DOI Listing

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