Sustained Reduction of Subclinical Inflammation in the Years After Breastfeeding

J Clin Endocrinol MetabPublished Prospective cohort study

Authors' conclusion

Sustained reduction of subclinical inflammation may contribute to the cardioprotective effect of lactation in women.

Study context

Population
Postpartum women with serial cardiometabolic characterization at 1, 3 and 5 years post partum
Participants
328 women
Exposure
Exclusive breastfeeding <3 months vs 3–6 months vs ≥6 months
  • <3 monthsn = 107
  • 3–6 monthsn = 101
  • ≥6 monthsn = 120
Outcome
CV risk factors by duration of exclusive breastfeeding
Follow-up
1, 3 and 5 years post partum

Main finding

As reported in the abstract

Metabolic syndrome prevalence · 5 years post partum

P = 0.02

Observational data: associations, not effects.

Further findings

CRP (covariate-adjusted) · 3 and 5 years post partum

Higher CRP with <3 months exclusive breastfeeding at 3 years
P = 0.04
Higher CRP with <3 months exclusive breastfeeding at 5 years
P = 0.01
CRP remained higher over time with <3 months vs peers, 1 to 5 years (GEE, adjusted incl. time-dependent BMI)
P = 0.03

Original publication

Sustained Reduction of Subclinical Inflammation in the Years After Breastfeeding. J Clin Endocrinol Metab. Published 2 November 2024. doi:10.1210/clinem/dgae772

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