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Question: From Derby, New Hampshire, USA: My almost eight year old son has had type 1 diabetes since the age of four, and my 11 year old daughter was recently (the past 3 months) diagnosed. How common is it for siblings to have type 1 diabetes with no family history of the disease? Answer: The chances of a second sibling developing type 1A (autoimmune) diabetes is about 1:20, irrespective of whether there is a family history of this kind of diabetes. The figure is a little higher if the father is the affected first degree relative, and a little lower if it is the mother. In the great majority people with new onset type 1A diabetes, there is no family history. This to a large extent is because although genetic predisposition can be assessed, the influence of environmental triggers are as yet unknown. DOB DTQ-20020102212351A Original posting 4 Jan 2002 Posted to Genetics and Heredity

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			Jump to a new section --[ Getting Around ]-- Home Page What's New Privacy Policy Search --[ People ]-- Family Support Network Adults with Diabetes Care Photos Chat Rooms Conferences Kids with Diabetes Parents Parent Humor Scholarships and Financial Aid Grandparents Humorous Tidbits Jobs Mailing Lists CWD Forums Poetry and Art Videos Polls Quilt for Life Surveys Blogs --[ Clinic ]-- Ask the Diabetes Team Alternate Site Testing Alternative Treatments Care Suggestions CWD Español Diabetes Basics Diabetes at School 504 Plans Diabetes Camps Diabetes Dictionary Insulin Pumps Nutrition Podcasts Presentations Products Product Marketplace Sports Studies Warning Signs --[ Sources ]-- News and Information Diabetes Advocacy Links to Other Web Sites Press Releases Regional Information Services Support Groups --[ Feedback ]-- About CWD Advertise Awards Contribute Your Experiences Disclaimer Letters to the Editor Logos and Linking Share our Brochures

Last Updated: Tuesday April 06, 2010 15:09:28
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