OBJECTIVE

To assess the effects of maternal age and birth order on the risk of IDDM in Asian Indians.

RESEARCH DESIGN AND METHODS

Data from a diabetes registry in Madras, India, was used to find IDDM patients diagnosed before 20 yr of age. A questionnaire was used to elicit clinical details of subjects.

RESULTS

Children with mothers ≤24 yr of age had a higher percentage of IDDM. Children with lower birth orders had a higher prevalence of IDDM.

CONCLUSIONS

The risk of IDDM in children is increased in children with lower birth orders, born of younger mothers.

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