Gestational diabetes & diabetes in pregnancy

The Interplay of Persistent Organic Pollutants and Mediterranean Diet in Association With the Risk of Gestational Diabetes Mellitus

Diabetes CarePublished Prospective cohort study

Main finding · GDM riskResult — go to the resultAdjusted log-odds ratio −0.74 95% CI −1.41 to −0.07

Authors' conclusion

Pregnant women who consumed a healthy Mediterranean diet but had a low exposure to POP concentrations had the lowest GDM risk. Future endeavors to promote a healthy diet to prevent GDM may consider concurrent POP exposure.

Study context

Population
Pregnant women in the U.S. Fetal Growth Study; Alternate Mediterranean diet (aMED) score from FFQs at early pregnancy; plasma concentrations of 76 persistent organic pollutants (POPs) measured61 with gestational diabetes mellitus (GDM)
Participants
1,572 women
Exposure
Combined aMED score and POP exposure categories
Outcome
GDM risk
Methodological detailsmultivariable logistic regression
  • Multivariable logistic regression

Main finding

As reported in the abstract

Adjusted log-odds ratio

−0.74

95% CI −1.41 to −0.07

Observational data: associations, not effects.

Further findings

GDM incidence

Women with GDM
61 of 1,572 (3.88%)

POP detection

Included POPs with detection rate >50%
25 of 53

Other POPs

Inverse associations also observed among women with low aMED score and high TransNo_chlor, PCB182_187, PCB196_203, PCB199 and PCB206

Subgroup: overweight or obesity

Associations more pronounced among women with overweight or obesity

Original publication

The Interplay of Persistent Organic Pollutants and Mediterranean Diet in Association With the Risk of Gestational Diabetes Mellitus. Diabetes Care. Published 9 October 2024. doi:10.2337/dc24-1452

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