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Prenatal Hormones Linked To Autism in Boys

Bloomberg News reports on new evidence published in Molecular Psychiatry that has found a link between high levels of pre-natal sex hormones and autism. Researchers analyzed amniotic fluid samples from 19,500 individuals born between 1993 and 1999 and identified samples from mothers whose children later received a diagnosis of autism, Asperger’s syndrome, or PDD-NOS. They found that “prenatal levels of substances such as testosterone, progesterone and cortisol were greater on average in boys who were later diagnosed with autism.” Experts point out that the findings add to the evidence countering the belief that external factors, such as vaccines, may play a role in autism development.

Read the article published by Bloomberg News.

Read the study in Molecular Psychiatry.