MONDAY, April 30 (HealthDay News) — Stress experienced by a
mother during the first trimester of pregnancy can lead to iron deficiency
in her newborn, putting the infant at risk for physical and mental
development delays, a new study says.
Iron is important in organ-system development, especially for the
brain. Risk factors for iron deficiency in newborns include iron
deficiency and diabetes in their mothers, as well as smoking during
pregnancy. Preterm birth, low birth weight and multiple pregnancy are also
well-known risk factors for low iron.
This is the first study to suggest that stress experienced by mothers
early in pregnancy is another risk factor for iron deficiency in newborns,
according to the researchers.
For the study, researchers looked at Israeli women who lived in an area
where more than 600 rocket attacks took place during their first trimester
of pregnancy. This stress group was compared to a control group of women
who lived in the same area but became pregnant three to four months after
the rocket attacks ceased.
Tests on umbilical cord blood collected from the newborns showed that
the 63 babies born to women in the stress group had significantly lower
iron levels than the 77 babies born to women in the control group.
“Our findings indicate that infants whose mothers were stressed during
pregnancy are a previously unrecognized risk group for iron deficiency,”
study leader Rinat Armony-Sivan, of Ashkelon Academic College, said in an
American Academy of Pediatrics news release. “Pregnant women should be
aware that their health, nutrition, stress level and state of mind will
affect their baby’s health and well-being.”
Doctors might consider doing additional blood work before the
well-child visit at 12 months of age, especially in high-risk populations,
in order to detect iron deficiency early and treat it before it becomes
chronic and severe, Armony-Sivan suggested.
The study was slated for Sunday presentation at the Pediatric Academic
Societies annual meeting in Boston. Data and conclusions presented at
meetings should be viewed as preliminary until published in a
peer-reviewed journal.
Although the study found an association between maternal stress and
infant iron deficiency, it did not prove a cause-and-effect
relationship.
More information
The Nemours Foundation has more about children and iron.
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