Health
A new study warns that obesity in pregnant mothers can affect the developing brain of children
Key Point
- Nearly 40% of women aged 20-39 in the United States are obese
- The increase in cases of high BMI underscores the importance of understanding how maternal BMI affects the brain development of children.
- This study is the first to measure changes in fetal brain activity in the womb
A new study points out that obesity in pregnant women may interfere with the development of the child’s brain during late pregnancy.
Experts at NYU Grossman School of Medicine in New York have found that the high body mass index (BMI), an index of obesity, is associated with two brain regions, the prefrontal cortex and the preisland. These areas of the brain are responsible for decision making and behavior. In addition, confusion in these areas may be associated with attention deficit hyperactivity disorder (ADHD), autism, and overeating.
Researchers examined 197 groups of metabolically active neurons in the developing fetal brain. Millions of calculations were used to divide the group into 16 meaningful subgroups based on the thousands of connections between groups of neurons. They could only find a connection between two areas of the fetal brain that were associated with the BMI of the mother.
They recruited 109 women with a BMI of 25-47. According to the National Institutes of Health, a BMI of 25 or above is considered “overweight” and a BMI of 30 or above is considered obese. All study participants were in the second and third trimesters of pregnancy.
MRI imaging was used to measure fetal brain activity and map patterns of communication between brain cells in different areas. Next, we compared participants and found differences in the way groups of neurons communicate with each other based on BMI.
“Our findings confirm that maternal obesity may play a role in fetal brain development. This is due to the cognitive and cognitive effects found in children born to mothers with higher BMI. It may explain some of the metabolic health problems.” MedicalXpress The first author of this study, Dr. Moria Thomason, cites:
The authors of the study did not intend their study to draw a line between the differences found and the ultimate cognitive or behavioral problems of the child, but focused only on fetal brain activity. I emphasized that.
Researchers plan to follow-up the study participants’ children for a long time to see if altered brain activity leads to behavioral problems, ADHD, or other health risks. The survey results are published in the Journal of Child Psychology and Psychiatry.
Obesity rates continue to skyrocket in the United States, and it is more important than ever to understand how this condition affects early brain development.
Older studies showing an association between obesity and brain development focused primarily on cognitive function in postnatal children. However, this study is the first of its kind to measure changes in fetal brain activity in the womb in the early stages of late pregnancy.
Researchers designed their approach to eliminate the potential effects of environmental factors that occur after breastfeeding and after childbirth and examine the early causes of maternal BMI adversely affecting the brain of a developing child. I think it was done.
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