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Inducing or augmenting labor not associated with increase in autism

A research collaboration between Intermountain Healthcare, the ’s Obstetrics and Gynecology Department, and the ’s Psychiatry Department found that induced or augmented labor does not result in an increased risk of children developing (). Researchers presented the study findings at the Society for Maternal-Fetal Medicine’s annual meeting, The Pregnancy Meeting™, in San Diego.

Autism spectrum disorder has increased in frequency over the last several decades, affecting one in 68 children in the U.S. With the observed increase, researchers have been working to identify potential risk factors. Previous research suggests that environmental factors during pregnancy and childbirth may increase the risk of ASD diagnosis in childhood. One environmental factor of interest is induction and/or augmentation of labor. Labor is induced (started) or augmented (helped along) for many reasons, including medical indications and patient preference. Prior research had suggested a potential link between induction or augmentation of labor and ASD.

The study, Autism Spectrum Disorder and Induced/Augmented Labor: Epidemiologic Analysis of a Utah Cohort, evaluated the association of ASD in a large group of Utah births that occurred between 1998 and 2006. Using data from birth certificates and from a registry of autism cases in Utah (Utah Registry of Autism and Developmental Disabilities), the researchers compared 2,547 children with ASD to 166,283 children without ASD.

“Children exposed to labor induction or augmentation did not have an increased likelihood of ASD after adjusting for important factors such as socioeconomic status, maternal health, pregnancy-related events and conditions, gender, and year of birth,” says Michael Varner, MD, an investigator for the study.

“Induction/augmentation of labor is an important strategy to minimize risk to mother and baby in some situations,” explained Erin A.S. Clark, MD, a principal investigator on the study. “The study reassures both patients and physicians that induction or augmentation of labor does not appear to be associated with ASD risk.”

Source

University of Utah Health Sciences