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Previous maternal abortion, longer gestation, and younger maternal age decrease the risk of type 1 diabetes among
1Bartholin Instituttet, Kommunehospitalet, Copenhagen, Denmark. buschard@post6.tele.dk
Diabetes Care
|July 2, 1999
Summary
Perinatal factors like maternal age and gestation length influence type 1 diabetes risk in male infants. These risks are sex-specific, highlighting unique developmental pathways for type 1 diabetes.
Area of Science:
- Epidemiology
- Perinatal Medicine
- Endocrinology
Background:
- Type 1 diabetes (T1D) is a complex autoimmune disease with increasing incidence.
- Understanding early-life influences on T1D development is crucial for prevention strategies.
Purpose of the Study:
- To investigate the association between perinatal determinants and the risk of developing type 1 diabetes.
- To explore potential sex-specific effects of these perinatal factors.
Main Methods:
- A case-control study utilizing Danish national registries (National Patient Registry, Medical Birth Registry).
- Inclusion of 857 children diagnosed with T1D between 1978-1995 and matched controls.
- Multivariate logistic regression analysis to identify significant determinants.
Main Results:
- Male infants born to older mothers or with longer gestation showed altered T1D risk.
- Maternal history of abortion was associated with decreased T1D risk in male offspring.
- No significant associations were found for paternal age, maternal parity, placental weight, birth size, or delivery complications.
Conclusions:
- Perinatal factors can influence type 1 diabetes risk in a sex-specific manner.
- Findings suggest distinct developmental trajectories for T1D risk in males and females.