Is type 1 diabetes hereditary? What are the chances of passing it to your kids?

I've dated a girl who is Type 1 diabetic and has several health problems. It has crossed my mind that if I end up marrying her, maybe my kids would have diabetes. Her dad has diabetes and her great uncle died by diabetes as a child several years ago. If I ended up having kids with her, what are the chances of passing the disese to them?

A lot depends on several variables in the affected genes: http://www.genetichealth.com/dbts_geneti...

In other words, no easy or reliable way to quantify it other than the risk is there.

Going by Mendelian genetics, if there is a history of diabetes in YOUR family, there is a 25% chance with each pregnancy that the child will eventually be diabetic, BUT, there is increasing evidence that type 1 diabetes is NOT inherited. Type 1 diabetes can be induced by a viral infection. Of the five other type 1 diabetics I have either met IRL or talked to online, ALL had a virus infection of some type, including flu or pneumonia, in the months preceding their diagnosis of type 1 diabetes. I had roseola, caused by a virus, with 106 degree fevers in November, 1954. My pediatrician confirmed my mother's diagnosis of diabetes in May, 1955. I was 26 months old. My mom had three semester's of medical school in the early 1940's.

It isn't pased on by mandelian genetics. It's nothing that simple.

Basically, if the mother is diabetic, and badly controlled, there is a 0.01% higher chance than normal.

I.e for every 100 normal children who get type 1, there may be 101 who have a diabetic mother.

It really is absolutely nothing to worry about.
I'm diabetic, and have a 13 month old daughter.

No it is not hereditary. Diabetes does not run in my family, and I still got it. Type 2 is, however. ---------------------------

Yes definitely type1 diabetes is a hereditary disorder. But there are only few chances of it passing to the kids i.e there are only 10% chances of passing to our kids.

That will depend on the family history and genetics of both of you and the recessive and dominant traits of both of you.