Maternal age and risk of type 1 diabetes. Title:Influence of maternal age at delivery and birth order on risk of type 1 ... The risk increased by 25% for each five year increase of maternal age, so that maternal age at delivery of greater than or ... 3. Maternal age and risk of type 1 diabetes. Birth weight and risk of type 2 diabetes. Title:The fetal and childhood growth of ... It was discovered that maternal age at delivery was strongly related to the risk of type 1 diabetes in the offspring. ...