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Originally Posted by Chreey
Since one child already has it whats the chances of my other two children having it or ending up with it? Thanks chreey
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Hi,
From my understand of reading what is available on-line, a person has a 10% chance of getting bipolar is she or he has a sibling with bipolar.
But apparently this can vary from family to family based on other factors as well, like age of onset.
http://www.mddaboston.org/HTML/lect020900.html
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Population studies, twin studies, and adoption studies were all reviewed for their findings regarding the role of genetics in bipolar disorder. The higher rates of bipolar disorder among relatives, identical twins, and biological parents relative to adoptive parents were all cited as evidence of the role of genetics. These higher risks compare to bipolar disorder occurring in roughly one percent of the population as a whole.
In population studies they found that there is a 10 percent risk that others in the nuclear family (father, mother, siblings) will have the disorder once one family member is diagnosed. Second degree relatives, such as grandparents, uncles, and aunts were found to have a four percent risk.
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M.