Temperature Extremes in Pregnancy Increase Risk - Diverse Health



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Temperature Extremes in Pregnancy Increase Risk

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by NIH

Extreme hot or cold temperatures during pregnancy may increase the risk that infants born at term will be of low birth weight, according to a study of U.S. women by researchers at the National Institutes of Health. The study was published in Environmental Research.

The authors found that exposure to atypically cold temperature during the entire pregnancy, or just during the second trimester and third trimester, increased the risk for low birth weight. Exposure to atypically hot temperatures during the whole pregnancy, or during the third trimester, also increased this risk. The odds for low term birth weight were highest when the whole pregnancy was exposed to extreme temperatures.

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