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dc.contributor.authorTørris, Christine
dc.contributor.authorThune, Inger
dc.contributor.authorEmaus, A
dc.contributor.authorFinstad, SE
dc.contributor.authorBye, Asta
dc.contributor.authorFurberg, AS
dc.contributor.authorBarrett, Emily S.
dc.contributor.authorJasienska, G
dc.contributor.authorEllison, P
dc.contributor.authorHjartåker, Anette
dc.date.accessioned2013-02-26T13:45:02Z
dc.date.available2013-02-26T13:45:02Z
dc.date.issued2012
dc.description.abstractThere is conflicting evidence as to whether duration of lactation may decrease the risk of subsequent development of an unfavorable maternal metabolic profile, including overweight and obesity. We hypothesized that duration of lactation is associated with a more favorable metabolic profile and healthier anthropometric measurements. Ninety-eight parous women were studied from the Norwegian EBBAI-study (Energy Balance and Breast cancer Aspects-study), a cross-sectional study of healthy premenopausal women 25–35 years old. Historical lactation data were collected, anthropometric measurements were taken, fasting blood samples (for serum glucose, triglycerides, total cholesterol, and high-density lipoprotein cholesterol) were drawn, and women were asked to fill in a precoded food diary. Mean time since last birth was 4.7 years, mean number of children was 1.9, mean total duration of lactation was 19 months, and average length of lactation per child was 10.3 months. Women who on average lactated for less than 10 months per child had higher mean levels of fasting serum glucose (5.2 mmol/L vs. 5.0 mmol/L, p=0.04), serum triglyceride (0.91 mmol/L vs. 0.66 mmol/L, p=0.001), and serum cholesterol (4.78 mmol/L vs. 4.32 mmol/L, p=0.004) and a higher waist-to-hip ratio (0.81 vs. 0.77, p=0.001) than women who lactated for 10 months or more per child. The inverse association between average length of lactation per child and waist-to-hip ratio persisted after adjustment for potential confounders. These results support the hypothesis that duration of lactation may be associated with a healthier metabolic profile and healthier anthropometric measurements, especially lipid levels and waist-to-hip ratio, even years after weaning.en
dc.identifier.citationBreastfeeding Medicine (2012), october 11, (Online before print)en
dc.identifier.cristinIDFRIDAID 968599
dc.identifier.doihttp://dx.doi.org/10.1089/bfm.2012.0048
dc.identifier.issn1556-8253
dc.identifier.urihttps://hdl.handle.net/10037/4857
dc.identifier.urnURN:NBN:no-uit_munin_4568
dc.language.isoengen
dc.publisherMary Ann Liebert, Inc publishersen
dc.rights.accessRightsopenAccess
dc.subjectVDP::Medical disciplines: 700::Health sciences: 800::Community medicine, Social medicine: 801en
dc.subjectVDP::Medisinske Fag: 700::Helsefag: 800::Samfunnsmedisin, sosialmedisin: 801en
dc.titleDuration of Lactation, Maternal Metabolic Profile, and Body Composition in the Norwegian EBBA I-Studyen
dc.typeJournal articleen
dc.typeTidsskriftartikkelen
dc.typePeer revieweden


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