Topic: Two or more of these risk factors during pregnancy may increase a child’s risk of mental health problems years later
Doctors have long known that unplanned pregnancies in women with certain chronic health problems and exposure in the womb to substances like drugs and alcohol can lead to a child’s increased risk for psychiatric or behavioral problems.
But a study published Wednesday by researchers from Massachusetts General Hospital found the combined exposure of two or more specific risk factors significantly increases that likelihood.
“While individually these factors had previously been associated with similar risks in prior, often smaller studies, this is the first time that we were able to gauge the effect of cumulative exposures, which were fairly dramatic,” said lead author Dr. Joshua Roffman, director of the Massachusetts General Early Brain Development Initiative.
The study, published Wednesday in the peer-reviewed journal PLOS ONE, found children subjected to two or more of six adverse exposures during pregnancy were more likely to have a higher score on the Child Behavior Checklist, which is used to detect behavioral and emotional problems in children and adolescents, according to the American Psychological Association.
The six adverse events included an unplanned pregnancy; use of alcohol, tobacco or marijuana before pregnancy was recognized; complications during pregnancy, such as high blood pressure or gestational diabetes; and complications during labor and delivery.
The Child Behavioral Checklist consists of eight symptoms or “syndrome scales”: anxious/depressed, withdrawn/depressed, somatic complaints, social problems, thought problems, attention problems, aggressive behavior and rule-breaking behavior.
In Wednesday’s study, researchers looked at nearly 10,000 children between the ages of 9 and 10 living in 21 communities throughout the U.S.
They found children with none of the exposures during their mother’s pregnancy had only a 7% chance of developing psychiatric symptoms. However, children with four or more of the exposures had a 29% chance.
“We know that brain development is really sensitive, that’s where a lot of these (symptoms) occur,” said Dr. Parker Huston, pediatric psychologist at Nationwide Children’s Hospital in Columbus Ohio. “The mother’s system is the baby’s system during that gestation period, so when there’s increased stress on the mother’s system … those things can impact brain development.”
Topic Discussed: Two or more of these risk factors during pregnancy may increase a child’s risk of mental health problems years later
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