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Dental X-Rays Tied to Low Birth Weight
Experts Say Danger Occurs Before a Woman Knows She's Pregnant
By Sid Kirchheimer
WebMD Health News
April 27, 2004 -- Getting dental X-rays during pregnancy might increase the risk of delivering a low birth-weight baby, new research shows.
After adjusting for other possible causes of low birth-weight babies, such as maternal smoking, University of Washington scientists found that exposure to four "bitewing" dental X-rays more than doubles a woman's risk of having a baby weighing less than 5.5 pounds. And more X-ray exposure, such as full-mouth dental X-rays, increases the risk even more.....
....He notes that his study is now the third to show a possible connection between low birth-weight babies and low-dose radiation. And one of the theories is that the danger comes from radiation exposure to the woman's thyroid, pituitary, or hypothalamus glands -- rather than radiation directly to the fetus or woman's reproductive organs. These glands produce the hormones necessary for pregnancy and normal fetal development. In his current study, Hujoel looked at thyroid radiation exposure rather than radiation exposure to the fetus and the woman's reproductive organs. ....
Experts Say Danger Occurs Before a Woman Knows She's Pregnant
By Sid Kirchheimer
WebMD Health News
April 27, 2004 -- Getting dental X-rays during pregnancy might increase the risk of delivering a low birth-weight baby, new research shows.
After adjusting for other possible causes of low birth-weight babies, such as maternal smoking, University of Washington scientists found that exposure to four "bitewing" dental X-rays more than doubles a woman's risk of having a baby weighing less than 5.5 pounds. And more X-ray exposure, such as full-mouth dental X-rays, increases the risk even more.....
....He notes that his study is now the third to show a possible connection between low birth-weight babies and low-dose radiation. And one of the theories is that the danger comes from radiation exposure to the woman's thyroid, pituitary, or hypothalamus glands -- rather than radiation directly to the fetus or woman's reproductive organs. These glands produce the hormones necessary for pregnancy and normal fetal development. In his current study, Hujoel looked at thyroid radiation exposure rather than radiation exposure to the fetus and the woman's reproductive organs. ....
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