Prenatal Screening For Autism & Termination of Fetal Life

Reply Wed 11 Jun, 2014 07:50 pm
A.J. Mahari:
Male hormone in womb linked to autistic traits: study

LONDON (AFP) - Babies exposed to high levels of the male hormone testosterone in the womb have a greater risk of developing autistic characteristics as children, a study said Monday.

Researchers from Cambridge University recorded foetal testosterone levels in the amniotic fluid of 235 pregnant women.

They compared results against questionnaires designed to measure children's autistic traits between the ages of six and 10.

They found that high testosterone levels were linked to answers that reflected poor social skills, imagination and empathy -- but good attention to and memory for detail.

Professor Simon Baron-Cohen said the research went further than previous studies that had found links between foetal testosterone and less eye contact as a baby, slower language development and more difficulties with empathy.

"The study highlights for the first time the association between foetal testosterone and autistic traits, and indicates that foetal testosterone not only masculinises the body, it masculinises the mind," he said.

But he underlined that the study was not confirming a link between foetal testosterone levels and full-blown autism.

"We all have some autistic traits -- these are a spectrum or a dimension of individual differences, like height.

"It is important to note that this research does not demonstrate that elevated foetal testosterone is associated with a clinical diagnosis of autism or Asperger Syndrome," he added.

The Guardian newspaper said that the research, published in The British Journal of Psychology, could bring prenatal screening for autism closer to reality, potentially allowing women to terminate babies with the condition.

Baron-Cohen said this needed to be debated. "If there was a prenatal test for autism, would this be desirable? What would we lose if children with autistic spectrum disorder were eliminated from the population?" he said.

"We should start debating this. There is a test for Down's Syndrome and that is legal and parents exercise their right to choose termination, but autism is often linked with talent. It is a different kind of condition."

Research could open the way for new treatments for autism, he said. But he acknowledged that this too would be controversial.

"We could do something about it. Some researchers or drug companies might see this as an opportunity to develop a pre-natal treatment. There are drugs that block testosterone.

"But whether we'd want to would be a different matter," he said.

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Reply Wed 11 Jun, 2014 07:59 pm
"There is a test for Down's Syndrome and that is legal and parents exercise their right to choose termination"..( see above).

If it's legal (and ethical ) to abort a fetus that tests (+)for Down's Syndrome, is it also legal/ethical to allow women to abort a fetus showing ( in amniotic fluid ) biochemical ( steroidal) evidence for autism?
Reply Wed 11 Jun, 2014 08:21 pm
Wasn't it you who questioned this research when I posted a link to it a week or so ago?
Reply Wed 11 Jun, 2014 08:22 pm
I think the ethics depend on the individual mother and what she feels competent to handle regarding developmental delays and handicaps.
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Reply Fri 13 Jun, 2014 02:58 pm
There are several links to this research and I've questioned all of them because, no research has shown that the hormone crosses the membrane and is assimilated by the developing fetus.

Moreover, the "source" of the hormone remains unknown. The critical experiments have never been done.
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