Review links diabetes control in pregnancy with differences in babies' gland scans
A review of diabetes that develops during pregnancy (gestational diabetes) linked poorer blood sugar control with changes in developing babies' adrenal glands. The measurements still need validation for predicting newborn outcomes.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
In pregnancies affected by gestational diabetes, poorer maternal blood sugar control was associated with differences in the developing baby's adrenal gland measurements. Pregnancies with better control generally had measurements within normal limits. These observational links do not establish cause and effect, and the review does not validate the measurements as predictors of fetal well-being or newborn outcomes.
The review identifies inconsistent methods, small study samples and differing imaging techniques. The abstract gives no numerical association estimates or predictive accuracy, leaving the clinical usefulness of these measurements uncertain.
What the scans showed
Reported scan differences included larger glands and changes in their appearance. The authors suggest these patterns may reflect stress in the developing baby, but the review does not establish that interpretation.
From association to prediction
Some studies also associated adrenal changes with unusually large newborns, low newborn blood sugar and delivery complications. These links do not show how accurately a scan could predict such outcomes in another pregnancy or whether using scans improves monitoring.
The original publication
Fetal adrenal gland measurements as indicators of glycaemic control in gestational diabetes mellitus: A systematic review of observational studies.
Sarkar A, Das A, Panda S et al.
Eur J Obstet Gynecol Reprod Biol · 2025
- PubMed ID
- 40763451
- Record checked
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