From Townsend, Montana, USA:
What are the odds of having three kids in the same family with type 1? Are there known environmental triggers (causes)?
There are some families where there is clearly a much stronger genetic component and some families where some unknown environmental trigger seems to be involved. The genetic implications are somewhat stronger, however. For the second child in the same family, i.e., brother or sister, the risk is about 2 to 5%. For a third child, the risk is closer to 1/2 to 1% probably. All this is somewhat of an accident of which genes are passed along from the parents to the child and, of course, whether or not they are identical or not to the susceptibility genes with the person with diabetes in the first place.
Original posting 28 Feb 2012
Posted to Genetics and Heredity
Last Updated: Tuesday February 28, 2012 19:47:06
This Internet site provides information of a general nature and is designed for educational purposes only. If you have any concerns about your own health or the health of your child, you should always consult with a physician or other health care professional.
This site is published by Children With Diabetes, Inc, which is responsible for its contents.
© Children with Diabetes, Inc. 1995-2014. Comments and Feedback.