Obesity

Visceral adipose tissue during pregnancy in women with overweight or obesity and offspring metabolic health

Int J Obes (Lond)Published Secondary analysis of a dietary randomised controlled trial

Primary resultResult — go to the resultDifference in birthweight 161 grams 95% CI 15–307

Authors' conclusion

Maternal VAT, and particularly its change during pregnancy, may influence the fetal metabolic environment, impacting insulin availability and potentially fetal growth in healthy women with overweight or obesity.

Study context

Population
Pregnant women with pre-pregnancy BMI 28–45 kg/m²; MRI at gestational weeks (GW) 15, 32 and at birth
Participants
119 women
Comparison
Maternal visceral adipose tissue (VAT) decrease vs increase from GW 15 to birth
Primary endpoint
Association between maternal VAT and offspring metabolic health at birth
Follow-up
At birth

Primary result

As reported in the abstract

Difference in birthweight

161 grams

95% CI 15–307

P = 0.031

VAT decreasevs VAT increase
difference in birthweight 161 grams (95% CI 15–307); P = 0.031

pmol/L

Offspring insulin increase per 1 cm³ maternal VAT at GW 15
0.25 (95% CI, 0.03; 0.46, P = 0.026)
Offspring insulin increase per 1 cm³ maternal VAT at birth
0.23 (95% CI, 0.02; 0.44, P = 0.035)

Original publication

Visceral adipose tissue during pregnancy in women with overweight or obesity and offspring metabolic health. Int J Obes (Lond). Published 25 August 2025. doi:10.1038/s41366-025-01872-9

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