Folic Acid Intake During Pregnancy Boosts Asthma Risk in Child

by VR Sreeraman on  November 6, 2009 at 12:34 PM Research News
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Women who take folic acid supplements during the later months of pregnancy may be increasing their baby's risk of developing asthma, according to a newly released Australian study.
 Folic Acid Intake During Pregnancy Boosts Asthma Risk in Child
Folic Acid Intake During Pregnancy Boosts Asthma Risk in Child

Found in its natural form in leafy green vegetables, legumes and some nuts, folic acid is commonly recommended to women trying to conceive to prevent neural defects in the first weeks of pregnancy.

But the Australian study found that women who continue to take folic acid late into pregnancy were 30 percent more likely to give birth to a child which would develop asthma.

"We see a substantial proportion of women taking these folate supplements throughout pregnancy, and it may be because people think it is entirely benign," said Michael Davies, associate professor at Adelaide University.

"Folate is incredibly important because of its role in preventing neural tube defects (like spina bifida). But because it is so important, and so bioactive, it needs to be treated with some respect as well."

Of the 550 women studied, those who took the folic acid supplements before conception and not more than several weeks into their pregnancy had no increased risk of asthma in their children.

But women who took it during weeks 16 to 30 of the pregnancy increased their risk of having a child with asthma by about 30 percent, according to the research, published in the American Journal of Epidemiology.

"Our finding should be reassuring to women who take folate for the purpose of preventing neural tube defects because we found no evidence of early supplementation (leading to asthma)," Davies told newswire AAP.

Davies said a diet rich in natural folate carried no increased risk of asthma for the baby.

Source: AFP
SRM

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