Tag Archives: Autism

Fraternal Twin Studies Reveal that Autism May Begin In Utero

An article recently published in the Austin American Statesman reveals new research that could impact the way we view autism. According to the article, the study showed a high incidence of autism in sets of fraternal twins. Identical twins are twins produced when a single egg splits in utero. Identical twins share genetic material and are genetically more similar than regular siblings; because of this, if one identical twin is autistic, there is a high chance that the other twin will also be autistic. Fraternal twins, on the other hand, are twins produced from two separate eggs in the womb. Fraternal twins share the same amount of genetic material as regular siblings; they simply share the womb at the same time. Of the sets of fraternal twins in the study, both twins had autism in 31 percent of male twin sets and in 36 percent of female twin sets. These…
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Utah School of Medicine Study Examines Breech Birth and Autism

According to the University of Utah School of Medicine in Salt Lake City, researches and psychiatrists found a link between breech birth and autism spectrum disorders. The study published in 2009 included 132 babies later diagnosed as being on the autism spectrum, as well as 13,200 babies who did not have an autism diagnosis. The researchers linked two factors that seem to relate to the development of autism spectrum disorders: the baby’s position at the time of labor and the mother’s age. A breeched baby has its buttocks or feet at the vaginal opening rather than its head. A breech birth often results in a cesarean section instead of vaginal birth. Dr. Deborah Bilder, the lead researchers in the study, claims that according to the study, a baby in a breech position at the time of labor is twice as likely to develop autism spectrum disorder as a child who…
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Researchers Study Multiple Births and Autism Link

According to Baltimore Sun, identical twins John and Sam Fetters could not speak a word at 22 months of age. At two years of age, doctors diagnosed both boys with autism. Their family wondered what could have caused autism in both twins and if perhaps, genetics could be responsible. According to a study at Kennedy Krieger Institute, researches examined 277 pairs of twins and found that when one identical twin had the disorder, the other twin had an 88 percent chance of developing autism as well. Fraternal twins had a 31 percent chance of both having autism. Autism is a neurological disorder that disrupts normal development and medical experts classify it as a pervasive developmental disorder. The cause of autism is unknown, although researchers and medical experts suspect everything from environmental toxins to medication introduced to women while pregnant as possible causes. Complicated births, such as those in multiple births,…
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