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Women abused as children more likely to have children with Autism

Posted by on Mar. 21, 2013 at 12:01 PM
  • 37 Replies

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Women Abused as Children More Likely to Have Kids with Autism

Women who were abused during childhood may face a higher risk of having a child with an autism spectrum disorder, according to new findings.

Women in the study who experienced the highest levels of physical and emotional abuse were 60 percent more likely to have a child with autism than women who weren't abused, the study found.

The most severe combination of physical, emotional and sexual abuse meant a woman in the study was 3.5 times more likely to have an autistic child than a woman who hadn't been abused, said lead study author Andrea L. Roberts, research associate in the department of social and behavioral sciences at the Harvard School of Public Health.

The researchers examined questionnaire data from more than 52,000 women enrolled in the Nurses' Health Study II, a large study of women's health that began in 1989.

Of the women in the study, 451 had a child with autism.

To assess whether the women had been abused during childhood, the researchers asked if the surveyed women had ever been hit hard enough to be bruised, or been struck by a belt or other object, and if they had been subjected to cruel punishments, insulting comments or screaming. Researchers also asked the women if they had ever experienced unwanted sexual touching or forced sexual contact by an adult or older child.

The researchers also investigated whether pregnancy-related risk factors, which have been associated with autism, further raised the risk for the condition. These risk factors include gestational diabetes, preeclampsia and premature birth. Other risks, such as smoking, use of medicines called selective serotonin uptake inhibitors and abuse by an intimate partner during pregnancy, were also examined.

Results showed that while the abused women more frequently suffered pregnancy-related risk factors, these factors explained only a small part of the link found between child abuse and autismrisk.

The study shows an association, not a cause-and-effect link, researchers said, and it's not clear how childhood abuse may contribute to autism.

But there are plausable ways to explain the association. One idea is that abused women may have a heightened response to stress, leading to inflammation or high levels of stress hormones, which affect the fetus' brain. Another possible explanation holds that parents who abuse children may be mentally ill, which may raise the risk for other mental disabilities, including autism, in relatives, Roberts said.

While provocative, the study results have limitations. First, the data was self-reported. What's more, knowing her child had autism may have influenced a woman's responses to the questionnaires.

One expert worried the findings may fuel parents' fears that they caused their child's condition.

"What is concerning is the potential effect this could have on mothers," said Tanya Paparella, director of the Early Childhood Partial Hospitalization Program at the University of California, Los Angeles, which treats young children who have autism. "We know that autism is strongly genetic in its origin, but we know very little about where the genetic risk factors lie and where the environmental risk factors lie, and very little about the combination of genetic and environmental risks."

Still, the study adds a new piece to the autism puzzle. "We are struggling a little with trying to find outwhat causes autism," Roberts said. "Our study points to a possible new direction in the research."

The fact that pregnancy-related risk factors for autism were higher in women who were abused "suggests that the effect of abuse can reach across generations," Roberts added.  "As a society, we need to focus more on how children are cared for and give more support to families who might be at risk for abusing their children."

The study is published online today (March 20) in the journal JAMA Psychiatry.

Pass it on: Women who were abused as children may be more likely to have a child with autism.

by on Mar. 21, 2013 at 12:01 PM
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Replies (1-10):
by Bronze Member on Mar. 21, 2013 at 12:02 PM
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by Anonymous 1 on Mar. 21, 2013 at 12:09 PM
that is crazy. I endured a lot of abuse as a child and we are in the process of getting my DD tested for autism.
by Anonymous 2 on Mar. 21, 2013 at 12:11 PM

huh.  my kid is autidtic and i was abused as a kid

by Anonymous 3 on Mar. 21, 2013 at 12:13 PM
I was physically and emotionally abused during my childhood and i was emotionally abused during my pregnancy with my oldest that has autism. I don't know if its related but I'm just giving my experience.
by Anonymous 4 on Mar. 21, 2013 at 12:13 PM
2 moms liked this
I was abused. Four kids and zero have autisim
by on Mar. 21, 2013 at 12:14 PM
3 moms liked this

Wow-another crazy theory...Along with the dog shampoo,toxic rain and a whole other slew of wasted money on theories.

How about,once again, they look into into placing research $ into soil,water,air contaminants and bio engineered food??? Those to me seem like they would be a more common denominator. We all eat,drink,breathe and live on this planet. The planet is constantly polluted-why can't anyone get this thru their heads.

No-I was never abused, yes I have an autistic child.

by on Mar. 21, 2013 at 12:14 PM
Wow.. that's interesting
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by Ruby Member on Mar. 21, 2013 at 12:14 PM

my dad physically or sexually abused his 5 oldest children, and their kids are not on the spectrum. he didn't touch me in any way shape or form and i have a child on the spectrum.

by on Mar. 21, 2013 at 12:15 PM

What DOESN'T cause autism these days??

by on Mar. 21, 2013 at 12:15 PM

I could see how this could affect a pregnancy. I was an abused child and I know that abuse stays with you for life no matter how much therapy you get. I can see that women who were abused may have an increased response to stress (even if it is just hormonal or chemical).  I hope they continue research on this.  If certain elevated hormones during pregnancy can trigger Autism, they may be able to find ways to intervene.  I wonder if other women who have experienced trauma at any point in life or who may have anxiety issues may also have the same response.  It is interesting.  There are so many possibilities and no real answers, but we need to keep looking because the rates are just getting worse.

Quoting Anonymous:

that is crazy. I endured a lot of abuse as a child and we are in the process of getting my DD tested for autism.

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