The extraordinary case prompted one woman to sue her sperm bank.
A single sperm donor is the biological father of at least 12 children who all developed autism — an extraordinary case that prompted one woman to sue her sperm bank, according to news reports.
The case came to light when the woman, Danielle Rizzo of Illinois, was researching treatments for her two sons, who both have autism, according to The Washington Post. Both sons were conceived with sperm from the same donor, and Rizzo was shocked to discover that other mothers who used the same donor also had sons with autism, the Post reported.
Rizzo was told that the likelihood of all these related children having autism by chance was like all the mothers “opening up a dictionary and pointing to the same letter of the same word on the same page at the same time,” she told the Post.
That means a mutation in the donor’s sperm was likely responsible. But is there a single “autism gene?”
But in rare cases, genetic mutations are thought to be the main cause of autism. Only about 2% to 4% of people with autism have these mutations, according to the NIH.
“We call autism one thing, but it’s different in every person. In some, it’s all about the genes. Some it’s a combination of genes and the environment. Some people, it’s unknown,” Dr. Wendy Chung, a professor of pediatric medicine at Columbia University, told the Post.
Studies of Rizzo’s children found that they had two mutations tied to autism in genes called MBD1 and SHANK1.
Most reproductive clinics test for several hundred genetic conditions, but there is no test for autism, The Post reported.
In Rizzo’s lawsuit, she alleged that the donor’s profile had false information. For example, she said that the donor did not have a college degree, as the profile listed, and that he had been diagnosed with ADHD, which was omitted from the profile, the Post reported. She settled the lawsuit in March for $250,000.
Read more about the case at The Washington Post.
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Originally published on Live Science
